31263720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4271}}^1$

素因数の和:4346

約数の個数: 64

約数和(自身を含む): 95351040

約数和(自身を除く): 64087320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 3660, 4271, 7320, 8542, 12813, 17084, 21355, 25626, 34168, 42710, 51252, 64065, 85420, 102504, 128130, 170840, 256260, 260531, 512520, 521062, 781593, 1042124, 1302655, 1563186, 2084248, 2605310, 3126372, 3907965, 5210620, 6252744, 7815930, 10421240, 15631860, 31263720]

約数ペア:

[(1, 31263720), (2, 15631860), (3, 10421240), (4, 7815930), (5, 6252744), (6, 5210620), (8, 3907965), (10, 3126372), (12, 2605310), (15, 2084248), (20, 1563186), (24, 1302655), (30, 1042124), (40, 781593), (60, 521062), (61, 512520), (120, 260531), (122, 256260), (183, 170840), (244, 128130), (305, 102504), (366, 85420), (488, 64065), (610, 51252), (732, 42710), (915, 34168), (1220, 25626), (1464, 21355), (1830, 17084), (2440, 12813), (3660, 8542), (4271, 7320)]