639817920

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:253

約数の個数: 448

約数和(自身を含む): 2633472000

約数和(自身を除く): 1993654080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 71, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 142, 144, 149, 160, 168, 180, 189, 192, 210, 213, 216, 224, 240, 252, 270, 280, 284, 288, 298, 315, 320, 336, 355, 360, 378, 420, 426, 432, 447, 448, 480, 497, 504, 540, 560, 568, 576, 596, 630, 639, 672, 710, 720, 745, 756, 840, 852, 864, 894, 945, 960, 994, 1008, 1043, 1065, 1080, 1120, 1136, 1192, 1260, 1278, 1341, 1344, 1420, 1440, 1490, 1491, 1512, 1680, 1704, 1728, 1788, 1890, 1917, 1988, 2016, 2086, 2130, 2160, 2235, 2240, 2272, 2384, 2485, 2520, 2556, 2682, 2840, 2880, 2980, 2982, 3024, 3129, 3195, 3360, 3408, 3576, 3780, 3834, 3976, 4023, 4032, 4172, 4260, 4320, 4470, 4473, 4544, 4768, 4970, 5040, 5112, 5215, 5364, 5680, 5960, 5964, 6048, 6258, 6390, 6705, 6720, 6816, 7152, 7455, 7560, 7668, 7952, 8046, 8344, 8520, 8640, 8940, 8946, 9387, 9536, 9585, 9940, 10080, 10224, 10430, 10579, 10728, 11360, 11920, 11928, 12096, 12516, 12780, 13410, 13419, 13632, 14304, 14910, 15120, 15336, 15645, 15904, 16092, 16688, 17040, 17880, 17892, 18774, 19170, 19880, 20115, 20160, 20448, 20860, 21158, 21456, 22365, 22720, 23840, 23856, 25032, 25560, 26820, 26838, 28161, 28608, 29820, 30240, 30672, 31290, 31737, 31808, 32184, 33376, 34080, 35760, 35784, 37548, 38340, 39760, 40230, 40896, 41720, 42316, 42912, 44730, 46935, 47680, 47712, 50064, 51120, 52895, 53640, 53676, 56322, 59640, 60480, 61344, 62580, 63474, 64368, 66752, 67095, 68160, 71520, 71568, 74053, 75096, 76680, 79520, 80460, 83440, 84632, 85824, 89460, 93870, 95211, 95424, 100128, 102240, 105790, 107280, 107352, 112644, 119280, 122688, 125160, 126948, 128736, 134190, 140805, 143040, 143136, 148106, 150192, 153360, 158685, 159040, 160920, 166880, 169264, 178920, 187740, 190422, 200256, 204480, 211580, 214560, 214704, 222159, 225288, 238560, 250320, 253896, 257472, 268380, 281610, 285633, 286272, 296212, 300384, 306720, 317370, 321840, 333760, 338528, 357840, 370265, 375480, 380844, 423160, 429120, 429408, 444318, 450576, 476055, 477120, 500640, 507792, 536760, 563220, 571266, 592424, 600768, 613440, 634740, 643680, 666477, 677056, 715680, 740530, 750960, 761688, 846320, 858816, 888636, 901152, 952110, 1001280, 1015584, 1073520, 1110795, 1126440, 1142532, 1184848, 1269480, 1287360, 1332954, 1428165, 1431360, 1481060, 1501920, 1523376, 1692640, 1777272, 1802304, 1904220, 1999431, 2031168, 2147040, 2221590, 2252880, 2285064, 2369696, 2538960, 2665908, 2856330, 2962120, 3003840, 3046752, 3332385, 3385280, 3554544, 3808440, 3998862, 4294080, 4443180, 4505760, 4570128, 4739392, 5077920, 5331816, 5712660, 5924240, 6093504, 6664770, 7109088, 7616880, 7997724, 8886360, 9011520, 9140256, 9997155, 10155840, 10663632, 11425320, 11848480, 13329540, 14218176, 15233760, 15995448, 17772720, 18280512, 19994310, 21327264, 22850640, 23696960, 26659080, 30467520, 31990896, 35545440, 39988620, 42654528, 45701280, 53318160, 63981792, 71090880, 79977240, 91402560, 106636320, 127963584, 159954480, 213272640, 319908960, 639817920]

約数ペア:

[(1, 639817920), (2, 319908960), (3, 213272640), (4, 159954480), (5, 127963584), (6, 106636320), (7, 91402560), (8, 79977240), (9, 71090880), (10, 63981792), (12, 53318160), (14, 45701280), (15, 42654528), (16, 39988620), (18, 35545440), (20, 31990896), (21, 30467520), (24, 26659080), (27, 23696960), (28, 22850640), (30, 21327264), (32, 19994310), (35, 18280512), (36, 17772720), (40, 15995448), (42, 15233760), (45, 14218176), (48, 13329540), (54, 11848480), (56, 11425320), (60, 10663632), (63, 10155840), (64, 9997155), (70, 9140256), (71, 9011520), (72, 8886360), (80, 7997724), (84, 7616880), (90, 7109088), (96, 6664770), (105, 6093504), (108, 5924240), (112, 5712660), (120, 5331816), (126, 5077920), (135, 4739392), (140, 4570128), (142, 4505760), (144, 4443180), (149, 4294080), (160, 3998862), (168, 3808440), (180, 3554544), (189, 3385280), (192, 3332385), (210, 3046752), (213, 3003840), (216, 2962120), (224, 2856330), (240, 2665908), (252, 2538960), (270, 2369696), (280, 2285064), (284, 2252880), (288, 2221590), (298, 2147040), (315, 2031168), (320, 1999431), (336, 1904220), (355, 1802304), (360, 1777272), (378, 1692640), (420, 1523376), (426, 1501920), (432, 1481060), (447, 1431360), (448, 1428165), (480, 1332954), (497, 1287360), (504, 1269480), (540, 1184848), (560, 1142532), (568, 1126440), (576, 1110795), (596, 1073520), (630, 1015584), (639, 1001280), (672, 952110), (710, 901152), (720, 888636), (745, 858816), (756, 846320), (840, 761688), (852, 750960), (864, 740530), (894, 715680), (945, 677056), (960, 666477), (994, 643680), (1008, 634740), (1043, 613440), (1065, 600768), (1080, 592424), (1120, 571266), (1136, 563220), (1192, 536760), (1260, 507792), (1278, 500640), (1341, 477120), (1344, 476055), (1420, 450576), (1440, 444318), (1490, 429408), (1491, 429120), (1512, 423160), (1680, 380844), (1704, 375480), (1728, 370265), (1788, 357840), (1890, 338528), (1917, 333760), (1988, 321840), (2016, 317370), (2086, 306720), (2130, 300384), (2160, 296212), (2235, 286272), (2240, 285633), (2272, 281610), (2384, 268380), (2485, 257472), (2520, 253896), (2556, 250320), (2682, 238560), (2840, 225288), (2880, 222159), (2980, 214704), (2982, 214560), (3024, 211580), (3129, 204480), (3195, 200256), (3360, 190422), (3408, 187740), (3576, 178920), (3780, 169264), (3834, 166880), (3976, 160920), (4023, 159040), (4032, 158685), (4172, 153360), (4260, 150192), (4320, 148106), (4470, 143136), (4473, 143040), (4544, 140805), (4768, 134190), (4970, 128736), (5040, 126948), (5112, 125160), (5215, 122688), (5364, 119280), (5680, 112644), (5960, 107352), (5964, 107280), (6048, 105790), (6258, 102240), (6390, 100128), (6705, 95424), (6720, 95211), (6816, 93870), (7152, 89460), (7455, 85824), (7560, 84632), (7668, 83440), (7952, 80460), (8046, 79520), (8344, 76680), (8520, 75096), (8640, 74053), (8940, 71568), (8946, 71520), (9387, 68160), (9536, 67095), (9585, 66752), (9940, 64368), (10080, 63474), (10224, 62580), (10430, 61344), (10579, 60480), (10728, 59640), (11360, 56322), (11920, 53676), (11928, 53640), (12096, 52895), (12516, 51120), (12780, 50064), (13410, 47712), (13419, 47680), (13632, 46935), (14304, 44730), (14910, 42912), (15120, 42316), (15336, 41720), (15645, 40896), (15904, 40230), (16092, 39760), (16688, 38340), (17040, 37548), (17880, 35784), (17892, 35760), (18774, 34080), (19170, 33376), (19880, 32184), (20115, 31808), (20160, 31737), (20448, 31290), (20860, 30672), (21158, 30240), (21456, 29820), (22365, 28608), (22720, 28161), (23840, 26838), (23856, 26820), (25032, 25560)]