51567880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:519

約数の個数: 128

約数和(自身を含む): 147732480

約数和(自身を除く): 96164600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 457, 520, 620, 728, 806, 868, 910, 914, 1085, 1240, 1612, 1736, 1820, 1828, 2015, 2170, 2285, 2821, 3199, 3224, 3640, 3656, 4030, 4340, 4570, 5642, 5941, 6398, 8060, 8680, 9140, 11284, 11882, 12796, 14105, 14167, 15995, 16120, 18280, 22568, 23764, 25592, 28210, 28334, 29705, 31990, 41587, 47528, 56420, 56668, 59410, 63980, 70835, 83174, 99169, 112840, 113336, 118820, 127960, 141670, 166348, 184171, 198338, 207935, 237640, 283340, 332696, 368342, 396676, 415870, 495845, 566680, 736684, 793352, 831740, 920855, 991690, 1289197, 1473368, 1663480, 1841710, 1983380, 2578394, 3683420, 3966760, 5156788, 6445985, 7366840, 10313576, 12891970, 25783940, 51567880]

約数ペア:

[(1, 51567880), (2, 25783940), (4, 12891970), (5, 10313576), (7, 7366840), (8, 6445985), (10, 5156788), (13, 3966760), (14, 3683420), (20, 2578394), (26, 1983380), (28, 1841710), (31, 1663480), (35, 1473368), (40, 1289197), (52, 991690), (56, 920855), (62, 831740), (65, 793352), (70, 736684), (91, 566680), (104, 495845), (124, 415870), (130, 396676), (140, 368342), (155, 332696), (182, 283340), (217, 237640), (248, 207935), (260, 198338), (280, 184171), (310, 166348), (364, 141670), (403, 127960), (434, 118820), (455, 113336), (457, 112840), (520, 99169), (620, 83174), (728, 70835), (806, 63980), (868, 59410), (910, 56668), (914, 56420), (1085, 47528), (1240, 41587), (1612, 31990), (1736, 29705), (1820, 28334), (1828, 28210), (2015, 25592), (2170, 23764), (2285, 22568), (2821, 18280), (3199, 16120), (3224, 15995), (3640, 14167), (3656, 14105), (4030, 12796), (4340, 11882), (4570, 11284), (5642, 9140), (5941, 8680), (6398, 8060)]