639337680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{3301}}^1$

素因数の和:3589

約数の個数: 120

約数和(自身を含む): 2155743720

約数和(自身を除く): 1516406040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 269, 360, 538, 720, 807, 1076, 1345, 1614, 2152, 2421, 2690, 3228, 3301, 4035, 4304, 4842, 5380, 6456, 6602, 8070, 9684, 9903, 10760, 12105, 12912, 13204, 16140, 16505, 19368, 19806, 21520, 24210, 26408, 29709, 32280, 33010, 38736, 39612, 48420, 49515, 52816, 59418, 64560, 66020, 79224, 96840, 99030, 118836, 132040, 148545, 158448, 193680, 198060, 237672, 264080, 297090, 396120, 475344, 594180, 792240, 887969, 1188360, 1775938, 2376720, 2663907, 3551876, 4439845, 5327814, 7103752, 7991721, 8879690, 10655628, 13319535, 14207504, 15983442, 17759380, 21311256, 26639070, 31966884, 35518760, 39958605, 42622512, 53278140, 63933768, 71037520, 79917210, 106556280, 127867536, 159834420, 213112560, 319668840, 639337680]

約数ペア:

[(1, 639337680), (2, 319668840), (3, 213112560), (4, 159834420), (5, 127867536), (6, 106556280), (8, 79917210), (9, 71037520), (10, 63933768), (12, 53278140), (15, 42622512), (16, 39958605), (18, 35518760), (20, 31966884), (24, 26639070), (30, 21311256), (36, 17759380), (40, 15983442), (45, 14207504), (48, 13319535), (60, 10655628), (72, 8879690), (80, 7991721), (90, 7103752), (120, 5327814), (144, 4439845), (180, 3551876), (240, 2663907), (269, 2376720), (360, 1775938), (538, 1188360), (720, 887969), (807, 792240), (1076, 594180), (1345, 475344), (1614, 396120), (2152, 297090), (2421, 264080), (2690, 237672), (3228, 198060), (3301, 193680), (4035, 158448), (4304, 148545), (4842, 132040), (5380, 118836), (6456, 99030), (6602, 96840), (8070, 79224), (9684, 66020), (9903, 64560), (10760, 59418), (12105, 52816), (12912, 49515), (13204, 48420), (16140, 39612), (16505, 38736), (19368, 33010), (19806, 32280), (21520, 29709), (24210, 26408)]