987621420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{1223}}^1$

素因数の和:1591

約数の個数: 96

約数和(自身を含む): 2841011712

約数和(自身を除く): 1853390292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 313, 430, 516, 626, 645, 860, 939, 1223, 1252, 1290, 1565, 1878, 2446, 2580, 3130, 3669, 3756, 4695, 4892, 6115, 6260, 7338, 9390, 12230, 13459, 14676, 18345, 18780, 24460, 26918, 36690, 40377, 52589, 53836, 67295, 73380, 80754, 105178, 134590, 157767, 161508, 201885, 210356, 262945, 269180, 315534, 382799, 403770, 525890, 631068, 765598, 788835, 807540, 1051780, 1148397, 1531196, 1577670, 1913995, 2296794, 3155340, 3827990, 4593588, 5741985, 7655980, 11483970, 16460357, 22967940, 32920714, 49381071, 65841428, 82301785, 98762142, 164603570, 197524284, 246905355, 329207140, 493810710, 987621420]

約数ペア:

[(1, 987621420), (2, 493810710), (3, 329207140), (4, 246905355), (5, 197524284), (6, 164603570), (10, 98762142), (12, 82301785), (15, 65841428), (20, 49381071), (30, 32920714), (43, 22967940), (60, 16460357), (86, 11483970), (129, 7655980), (172, 5741985), (215, 4593588), (258, 3827990), (313, 3155340), (430, 2296794), (516, 1913995), (626, 1577670), (645, 1531196), (860, 1148397), (939, 1051780), (1223, 807540), (1252, 788835), (1290, 765598), (1565, 631068), (1878, 525890), (2446, 403770), (2580, 382799), (3130, 315534), (3669, 269180), (3756, 262945), (4695, 210356), (4892, 201885), (6115, 161508), (6260, 157767), (7338, 134590), (9390, 105178), (12230, 80754), (13459, 73380), (14676, 67295), (18345, 53836), (18780, 52589), (24460, 40377), (26918, 36690)]