251408160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2459}}^1$

素因数の和:2551

約数の個数: 144

約数和(自身を含む): 870367680

約数和(自身を除く): 618959520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 71, 72, 80, 90, 96, 120, 142, 144, 160, 180, 213, 240, 284, 288, 355, 360, 426, 480, 568, 639, 710, 720, 852, 1065, 1136, 1278, 1420, 1440, 1704, 2130, 2272, 2459, 2556, 2840, 3195, 3408, 4260, 4918, 5112, 5680, 6390, 6816, 7377, 8520, 9836, 10224, 11360, 12295, 12780, 14754, 17040, 19672, 20448, 22131, 24590, 25560, 29508, 34080, 36885, 39344, 44262, 49180, 51120, 59016, 73770, 78688, 88524, 98360, 102240, 110655, 118032, 147540, 174589, 177048, 196720, 221310, 236064, 295080, 349178, 354096, 393440, 442620, 523767, 590160, 698356, 708192, 872945, 885240, 1047534, 1180320, 1396712, 1571301, 1745890, 1770480, 2095068, 2618835, 2793424, 3142602, 3491780, 3540960, 4190136, 5237670, 5586848, 6285204, 6983560, 7856505, 8380272, 10475340, 12570408, 13967120, 15713010, 16760544, 20950680, 25140816, 27934240, 31426020, 41901360, 50281632, 62852040, 83802720, 125704080, 251408160]

約数ペア:

[(1, 251408160), (2, 125704080), (3, 83802720), (4, 62852040), (5, 50281632), (6, 41901360), (8, 31426020), (9, 27934240), (10, 25140816), (12, 20950680), (15, 16760544), (16, 15713010), (18, 13967120), (20, 12570408), (24, 10475340), (30, 8380272), (32, 7856505), (36, 6983560), (40, 6285204), (45, 5586848), (48, 5237670), (60, 4190136), (71, 3540960), (72, 3491780), (80, 3142602), (90, 2793424), (96, 2618835), (120, 2095068), (142, 1770480), (144, 1745890), (160, 1571301), (180, 1396712), (213, 1180320), (240, 1047534), (284, 885240), (288, 872945), (355, 708192), (360, 698356), (426, 590160), (480, 523767), (568, 442620), (639, 393440), (710, 354096), (720, 349178), (852, 295080), (1065, 236064), (1136, 221310), (1278, 196720), (1420, 177048), (1440, 174589), (1704, 147540), (2130, 118032), (2272, 110655), (2459, 102240), (2556, 98360), (2840, 88524), (3195, 78688), (3408, 73770), (4260, 59016), (4918, 51120), (5112, 49180), (5680, 44262), (6390, 39344), (6816, 36885), (7377, 34080), (8520, 29508), (9836, 25560), (10224, 24590), (11360, 22131), (12295, 20448), (12780, 19672), (14754, 17040)]