79977240

素因数分解:

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

素因数の和:247

約数の個数: 256

約数和(自身を含む): 311040000

約数和(自身を除く): 231062760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 71, 72, 84, 90, 105, 108, 120, 126, 135, 140, 142, 149, 168, 180, 189, 210, 213, 216, 252, 270, 280, 284, 298, 315, 355, 360, 378, 420, 426, 447, 497, 504, 540, 568, 596, 630, 639, 710, 745, 756, 840, 852, 894, 945, 994, 1043, 1065, 1080, 1192, 1260, 1278, 1341, 1420, 1490, 1491, 1512, 1704, 1788, 1890, 1917, 1988, 2086, 2130, 2235, 2485, 2520, 2556, 2682, 2840, 2980, 2982, 3129, 3195, 3576, 3780, 3834, 3976, 4023, 4172, 4260, 4470, 4473, 4970, 5112, 5215, 5364, 5960, 5964, 6258, 6390, 6705, 7455, 7560, 7668, 8046, 8344, 8520, 8940, 8946, 9387, 9585, 9940, 10430, 10579, 10728, 11928, 12516, 12780, 13410, 13419, 14910, 15336, 15645, 16092, 17880, 17892, 18774, 19170, 19880, 20115, 20860, 21158, 22365, 25032, 25560, 26820, 26838, 28161, 29820, 31290, 31737, 32184, 35784, 37548, 38340, 40230, 41720, 42316, 44730, 46935, 52895, 53640, 53676, 56322, 59640, 62580, 63474, 67095, 74053, 75096, 76680, 80460, 84632, 89460, 93870, 95211, 105790, 107352, 112644, 125160, 126948, 134190, 140805, 148106, 158685, 160920, 178920, 187740, 190422, 211580, 222159, 225288, 253896, 268380, 281610, 285633, 296212, 317370, 370265, 375480, 380844, 423160, 444318, 476055, 536760, 563220, 571266, 592424, 634740, 666477, 740530, 761688, 888636, 952110, 1110795, 1126440, 1142532, 1269480, 1332954, 1428165, 1481060, 1777272, 1904220, 1999431, 2221590, 2285064, 2665908, 2856330, 2962120, 3332385, 3808440, 3998862, 4443180, 5331816, 5712660, 6664770, 7997724, 8886360, 9997155, 11425320, 13329540, 15995448, 19994310, 26659080, 39988620, 79977240]

約数ペア:

[(1, 79977240), (2, 39988620), (3, 26659080), (4, 19994310), (5, 15995448), (6, 13329540), (7, 11425320), (8, 9997155), (9, 8886360), (10, 7997724), (12, 6664770), (14, 5712660), (15, 5331816), (18, 4443180), (20, 3998862), (21, 3808440), (24, 3332385), (27, 2962120), (28, 2856330), (30, 2665908), (35, 2285064), (36, 2221590), (40, 1999431), (42, 1904220), (45, 1777272), (54, 1481060), (56, 1428165), (60, 1332954), (63, 1269480), (70, 1142532), (71, 1126440), (72, 1110795), (84, 952110), (90, 888636), (105, 761688), (108, 740530), (120, 666477), (126, 634740), (135, 592424), (140, 571266), (142, 563220), (149, 536760), (168, 476055), (180, 444318), (189, 423160), (210, 380844), (213, 375480), (216, 370265), (252, 317370), (270, 296212), (280, 285633), (284, 281610), (298, 268380), (315, 253896), (355, 225288), (360, 222159), (378, 211580), (420, 190422), (426, 187740), (447, 178920), (497, 160920), (504, 158685), (540, 148106), (568, 140805), (596, 134190), (630, 126948), (639, 125160), (710, 112644), (745, 107352), (756, 105790), (840, 95211), (852, 93870), (894, 89460), (945, 84632), (994, 80460), (1043, 76680), (1065, 75096), (1080, 74053), (1192, 67095), (1260, 63474), (1278, 62580), (1341, 59640), (1420, 56322), (1490, 53676), (1491, 53640), (1512, 52895), (1704, 46935), (1788, 44730), (1890, 42316), (1917, 41720), (1988, 40230), (2086, 38340), (2130, 37548), (2235, 35784), (2485, 32184), (2520, 31737), (2556, 31290), (2682, 29820), (2840, 28161), (2980, 26838), (2982, 26820), (3129, 25560), (3195, 25032), (3576, 22365), (3780, 21158), (3834, 20860), (3976, 20115), (4023, 19880), (4172, 19170), (4260, 18774), (4470, 17892), (4473, 17880), (4970, 16092), (5112, 15645), (5215, 15336), (5364, 14910), (5960, 13419), (5964, 13410), (6258, 12780), (6390, 12516), (6705, 11928), (7455, 10728), (7560, 10579), (7668, 10430), (8046, 9940), (8344, 9585), (8520, 9387), (8940, 8946)]