3191240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2$

素因数の和:79

約数の個数: 96

約数和(自身を含む): 8641080

約数和(自身を除く): 5449840

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 19, 20, 26, 34, 38, 40, 52, 65, 68, 76, 85, 95, 104, 130, 136, 152, 170, 190, 221, 247, 260, 323, 340, 361, 380, 442, 494, 520, 646, 680, 722, 760, 884, 988, 1105, 1235, 1292, 1444, 1615, 1768, 1805, 1976, 2210, 2470, 2584, 2888, 3230, 3610, 4199, 4420, 4693, 4940, 6137, 6460, 7220, 8398, 8840, 9386, 9880, 12274, 12920, 14440, 16796, 18772, 20995, 23465, 24548, 30685, 33592, 37544, 41990, 46930, 49096, 61370, 79781, 83980, 93860, 122740, 159562, 167960, 187720, 245480, 319124, 398905, 638248, 797810, 1595620, 3191240]

約数ペア:

[(1, 3191240), (2, 1595620), (4, 797810), (5, 638248), (8, 398905), (10, 319124), (13, 245480), (17, 187720), (19, 167960), (20, 159562), (26, 122740), (34, 93860), (38, 83980), (40, 79781), (52, 61370), (65, 49096), (68, 46930), (76, 41990), (85, 37544), (95, 33592), (104, 30685), (130, 24548), (136, 23465), (152, 20995), (170, 18772), (190, 16796), (221, 14440), (247, 12920), (260, 12274), (323, 9880), (340, 9386), (361, 8840), (380, 8398), (442, 7220), (494, 6460), (520, 6137), (646, 4940), (680, 4693), (722, 4420), (760, 4199), (884, 3610), (988, 3230), (1105, 2888), (1235, 2584), (1292, 2470), (1444, 2210), (1615, 1976), (1768, 1805)]