663767640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{25969}}^1$

素因数の和:26057

約数の個数: 96

約数和(自身を含む): 2187712800

約数和(自身を除く): 1523945160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 71, 72, 90, 120, 142, 180, 213, 284, 355, 360, 426, 568, 639, 710, 852, 1065, 1278, 1420, 1704, 2130, 2556, 2840, 3195, 4260, 5112, 6390, 8520, 12780, 25560, 25969, 51938, 77907, 103876, 129845, 155814, 207752, 233721, 259690, 311628, 389535, 467442, 519380, 623256, 779070, 934884, 1038760, 1168605, 1558140, 1843799, 1869768, 2337210, 3116280, 3687598, 4674420, 5531397, 7375196, 9218995, 9348840, 11062794, 14750392, 16594191, 18437990, 22125588, 27656985, 33188382, 36875980, 44251176, 55313970, 66376764, 73751960, 82970955, 110627940, 132753528, 165941910, 221255880, 331883820, 663767640]

約数ペア:

[(1, 663767640), (2, 331883820), (3, 221255880), (4, 165941910), (5, 132753528), (6, 110627940), (8, 82970955), (9, 73751960), (10, 66376764), (12, 55313970), (15, 44251176), (18, 36875980), (20, 33188382), (24, 27656985), (30, 22125588), (36, 18437990), (40, 16594191), (45, 14750392), (60, 11062794), (71, 9348840), (72, 9218995), (90, 7375196), (120, 5531397), (142, 4674420), (180, 3687598), (213, 3116280), (284, 2337210), (355, 1869768), (360, 1843799), (426, 1558140), (568, 1168605), (639, 1038760), (710, 934884), (852, 779070), (1065, 623256), (1278, 519380), (1420, 467442), (1704, 389535), (2130, 311628), (2556, 259690), (2840, 233721), (3195, 207752), (4260, 155814), (5112, 129845), (6390, 103876), (8520, 77907), (12780, 51938), (25560, 25969)]