15690690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{557}}^1$

素因数の和:883

約数の個数: 48

約数和(自身を含む): 40999608

約数和(自身を除く): 25308918

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 313, 557, 626, 939, 1114, 1565, 1671, 1878, 2785, 2817, 3130, 3342, 4695, 5013, 5570, 5634, 8355, 9390, 10026, 14085, 16710, 25065, 28170, 50130, 174341, 348682, 523023, 871705, 1046046, 1569069, 1743410, 2615115, 3138138, 5230230, 7845345, 15690690]

約数ペア:

[(1, 15690690), (2, 7845345), (3, 5230230), (5, 3138138), (6, 2615115), (9, 1743410), (10, 1569069), (15, 1046046), (18, 871705), (30, 523023), (45, 348682), (90, 174341), (313, 50130), (557, 28170), (626, 25065), (939, 16710), (1114, 14085), (1565, 10026), (1671, 9390), (1878, 8355), (2785, 5634), (2817, 5570), (3130, 5013), (3342, 4695)]