648935040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25999}}^1$

素因数の和:26034

約数の個数: 128

約数和(自身を含む): 2227680000

約数和(自身を除く): 1578744960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 24960, 25999, 51998, 77997, 103996, 129995, 155994, 207992, 259990, 311988, 337987, 389985, 415984, 519980, 623976, 675974, 779970, 831968, 1013961, 1039960, 1247952, 1351948, 1559940, 1663936, 1689935, 2027922, 2079920, 2495904, 2703896, 3119880, 3327872, 3379870, 4055844, 4159840, 4991808, 5069805, 5407792, 6239760, 6759740, 8111688, 8319680, 9983616, 10139610, 10815584, 12479520, 13519480, 16223376, 16639360, 20279220, 21631168, 24959040, 27038960, 32446752, 40558440, 43262336, 49918080, 54077920, 64893504, 81116880, 108155840, 129787008, 162233760, 216311680, 324467520, 648935040]

約数ペア:

[(1, 648935040), (2, 324467520), (3, 216311680), (4, 162233760), (5, 129787008), (6, 108155840), (8, 81116880), (10, 64893504), (12, 54077920), (13, 49918080), (15, 43262336), (16, 40558440), (20, 32446752), (24, 27038960), (26, 24959040), (30, 21631168), (32, 20279220), (39, 16639360), (40, 16223376), (48, 13519480), (52, 12479520), (60, 10815584), (64, 10139610), (65, 9983616), (78, 8319680), (80, 8111688), (96, 6759740), (104, 6239760), (120, 5407792), (128, 5069805), (130, 4991808), (156, 4159840), (160, 4055844), (192, 3379870), (195, 3327872), (208, 3119880), (240, 2703896), (260, 2495904), (312, 2079920), (320, 2027922), (384, 1689935), (390, 1663936), (416, 1559940), (480, 1351948), (520, 1247952), (624, 1039960), (640, 1013961), (780, 831968), (832, 779970), (960, 675974), (1040, 623976), (1248, 519980), (1560, 415984), (1664, 389985), (1920, 337987), (2080, 311988), (2496, 259990), (3120, 207992), (4160, 155994), (4992, 129995), (6240, 103996), (8320, 77997), (12480, 51998), (24960, 25999)]