90041720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{733}}^1$

素因数の和:864

約数の個数: 64

約数和(自身を含む): 210863520

約数和(自身を除く): 120821800

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 83, 148, 166, 185, 296, 332, 370, 415, 664, 733, 740, 830, 1466, 1480, 1660, 2932, 3071, 3320, 3665, 5864, 6142, 7330, 12284, 14660, 15355, 24568, 27121, 29320, 30710, 54242, 60839, 61420, 108484, 121678, 122840, 135605, 216968, 243356, 271210, 304195, 486712, 542420, 608390, 1084840, 1216780, 2251043, 2433560, 4502086, 9004172, 11255215, 18008344, 22510430, 45020860, 90041720]

約数ペア:

[(1, 90041720), (2, 45020860), (4, 22510430), (5, 18008344), (8, 11255215), (10, 9004172), (20, 4502086), (37, 2433560), (40, 2251043), (74, 1216780), (83, 1084840), (148, 608390), (166, 542420), (185, 486712), (296, 304195), (332, 271210), (370, 243356), (415, 216968), (664, 135605), (733, 122840), (740, 121678), (830, 108484), (1466, 61420), (1480, 60839), (1660, 54242), (2932, 30710), (3071, 29320), (3320, 27121), (3665, 24568), (5864, 15355), (6142, 14660), (7330, 12284)]