61916920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 162570240

約数和(自身を除く): 100653320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 31, 40, 46, 52, 62, 65, 92, 104, 115, 124, 130, 155, 167, 184, 230, 248, 260, 299, 310, 334, 403, 460, 520, 598, 620, 668, 713, 806, 835, 920, 1196, 1240, 1336, 1426, 1495, 1612, 1670, 2015, 2171, 2392, 2852, 2990, 3224, 3340, 3565, 3841, 4030, 4342, 5177, 5704, 5980, 6680, 7130, 7682, 8060, 8684, 9269, 10354, 10855, 11960, 14260, 15364, 16120, 17368, 18538, 19205, 20708, 21710, 25885, 28520, 30728, 37076, 38410, 41416, 43420, 46345, 49933, 51770, 67301, 74152, 76820, 86840, 92690, 99866, 103540, 119071, 134602, 153640, 185380, 199732, 207080, 238142, 249665, 269204, 336505, 370760, 399464, 476284, 499330, 538408, 595355, 673010, 952568, 998660, 1190710, 1346020, 1547923, 1997320, 2381420, 2692040, 3095846, 4762840, 6191692, 7739615, 12383384, 15479230, 30958460, 61916920]

約数ペア:

[(1, 61916920), (2, 30958460), (4, 15479230), (5, 12383384), (8, 7739615), (10, 6191692), (13, 4762840), (20, 3095846), (23, 2692040), (26, 2381420), (31, 1997320), (40, 1547923), (46, 1346020), (52, 1190710), (62, 998660), (65, 952568), (92, 673010), (104, 595355), (115, 538408), (124, 499330), (130, 476284), (155, 399464), (167, 370760), (184, 336505), (230, 269204), (248, 249665), (260, 238142), (299, 207080), (310, 199732), (334, 185380), (403, 153640), (460, 134602), (520, 119071), (598, 103540), (620, 99866), (668, 92690), (713, 86840), (806, 76820), (835, 74152), (920, 67301), (1196, 51770), (1240, 49933), (1336, 46345), (1426, 43420), (1495, 41416), (1612, 38410), (1670, 37076), (2015, 30728), (2171, 28520), (2392, 25885), (2852, 21710), (2990, 20708), (3224, 19205), (3340, 18538), (3565, 17368), (3841, 16120), (4030, 15364), (4342, 14260), (5177, 11960), (5704, 10855), (5980, 10354), (6680, 9269), (7130, 8684), (7682, 8060)]