645338880

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:364

約数の個数: 288

約数和(自身を含む): 2331141120

約数和(自身を除く): 1685802240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 71, 72, 80, 90, 96, 108, 120, 128, 135, 142, 144, 160, 180, 192, 213, 216, 240, 256, 263, 270, 284, 288, 320, 355, 360, 384, 426, 432, 480, 526, 540, 568, 576, 639, 640, 710, 720, 768, 789, 852, 864, 960, 1052, 1065, 1080, 1136, 1152, 1278, 1280, 1315, 1420, 1440, 1578, 1704, 1728, 1917, 1920, 2104, 2130, 2160, 2272, 2304, 2367, 2556, 2630, 2840, 2880, 3156, 3195, 3408, 3456, 3834, 3840, 3945, 4208, 4260, 4320, 4544, 4734, 5112, 5260, 5680, 5760, 6312, 6390, 6816, 6912, 7101, 7668, 7890, 8416, 8520, 8640, 9088, 9468, 9585, 10224, 10520, 11360, 11520, 11835, 12624, 12780, 13632, 14202, 15336, 15780, 16832, 17040, 17280, 18176, 18673, 18936, 19170, 20448, 21040, 22720, 23670, 25248, 25560, 27264, 28404, 30672, 31560, 33664, 34080, 34560, 35505, 37346, 37872, 38340, 40896, 42080, 45440, 47340, 50496, 51120, 54528, 56019, 56808, 61344, 63120, 67328, 68160, 71010, 74692, 75744, 76680, 81792, 84160, 90880, 93365, 94680, 100992, 102240, 112038, 113616, 122688, 126240, 136320, 142020, 149384, 151488, 153360, 163584, 168057, 168320, 186730, 189360, 201984, 204480, 224076, 227232, 245376, 252480, 272640, 280095, 284040, 298768, 302976, 306720, 336114, 336640, 373460, 378720, 408960, 448152, 454464, 490752, 504171, 504960, 560190, 568080, 597536, 605952, 613440, 672228, 746920, 757440, 817920, 840285, 896304, 908928, 1008342, 1009920, 1120380, 1136160, 1195072, 1226880, 1344456, 1493840, 1514880, 1680570, 1792608, 1817856, 2016684, 2240760, 2272320, 2390144, 2453760, 2520855, 2688912, 2987680, 3029760, 3361140, 3585216, 4033368, 4481520, 4544640, 4780288, 5041710, 5377824, 5975360, 6722280, 7170432, 8066736, 8963040, 9089280, 10083420, 10755648, 11950720, 13444560, 14340864, 16133472, 17926080, 20166840, 21511296, 23901440, 26889120, 32266944, 35852160, 40333680, 43022592, 53778240, 64533888, 71704320, 80667360, 107556480, 129067776, 161334720, 215112960, 322669440, 645338880]

約数ペア:

[(1, 645338880), (2, 322669440), (3, 215112960), (4, 161334720), (5, 129067776), (6, 107556480), (8, 80667360), (9, 71704320), (10, 64533888), (12, 53778240), (15, 43022592), (16, 40333680), (18, 35852160), (20, 32266944), (24, 26889120), (27, 23901440), (30, 21511296), (32, 20166840), (36, 17926080), (40, 16133472), (45, 14340864), (48, 13444560), (54, 11950720), (60, 10755648), (64, 10083420), (71, 9089280), (72, 8963040), (80, 8066736), (90, 7170432), (96, 6722280), (108, 5975360), (120, 5377824), (128, 5041710), (135, 4780288), (142, 4544640), (144, 4481520), (160, 4033368), (180, 3585216), (192, 3361140), (213, 3029760), (216, 2987680), (240, 2688912), (256, 2520855), (263, 2453760), (270, 2390144), (284, 2272320), (288, 2240760), (320, 2016684), (355, 1817856), (360, 1792608), (384, 1680570), (426, 1514880), (432, 1493840), (480, 1344456), (526, 1226880), (540, 1195072), (568, 1136160), (576, 1120380), (639, 1009920), (640, 1008342), (710, 908928), (720, 896304), (768, 840285), (789, 817920), (852, 757440), (864, 746920), (960, 672228), (1052, 613440), (1065, 605952), (1080, 597536), (1136, 568080), (1152, 560190), (1278, 504960), (1280, 504171), (1315, 490752), (1420, 454464), (1440, 448152), (1578, 408960), (1704, 378720), (1728, 373460), (1917, 336640), (1920, 336114), (2104, 306720), (2130, 302976), (2160, 298768), (2272, 284040), (2304, 280095), (2367, 272640), (2556, 252480), (2630, 245376), (2840, 227232), (2880, 224076), (3156, 204480), (3195, 201984), (3408, 189360), (3456, 186730), (3834, 168320), (3840, 168057), (3945, 163584), (4208, 153360), (4260, 151488), (4320, 149384), (4544, 142020), (4734, 136320), (5112, 126240), (5260, 122688), (5680, 113616), (5760, 112038), (6312, 102240), (6390, 100992), (6816, 94680), (6912, 93365), (7101, 90880), (7668, 84160), (7890, 81792), (8416, 76680), (8520, 75744), (8640, 74692), (9088, 71010), (9468, 68160), (9585, 67328), (10224, 63120), (10520, 61344), (11360, 56808), (11520, 56019), (11835, 54528), (12624, 51120), (12780, 50496), (13632, 47340), (14202, 45440), (15336, 42080), (15780, 40896), (16832, 38340), (17040, 37872), (17280, 37346), (18176, 35505), (18673, 34560), (18936, 34080), (19170, 33664), (20448, 31560), (21040, 30672), (22720, 28404), (23670, 27264), (25248, 25560)]