1595620

素因数分解:

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

素因数の和:77

約数の個数: 72

約数和(自身を含む): 4032504

約数和(自身を除く): 2436884

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 26, 34, 38, 52, 65, 68, 76, 85, 95, 130, 170, 190, 221, 247, 260, 323, 340, 361, 380, 442, 494, 646, 722, 884, 988, 1105, 1235, 1292, 1444, 1615, 1805, 2210, 2470, 3230, 3610, 4199, 4420, 4693, 4940, 6137, 6460, 7220, 8398, 9386, 12274, 16796, 18772, 20995, 23465, 24548, 30685, 41990, 46930, 61370, 79781, 83980, 93860, 122740, 159562, 319124, 398905, 797810, 1595620]

約数ペア:

[(1, 1595620), (2, 797810), (4, 398905), (5, 319124), (10, 159562), (13, 122740), (17, 93860), (19, 83980), (20, 79781), (26, 61370), (34, 46930), (38, 41990), (52, 30685), (65, 24548), (68, 23465), (76, 20995), (85, 18772), (95, 16796), (130, 12274), (170, 9386), (190, 8398), (221, 7220), (247, 6460), (260, 6137), (323, 4940), (340, 4693), (361, 4420), (380, 4199), (442, 3610), (494, 3230), (646, 2470), (722, 2210), (884, 1805), (988, 1615), (1105, 1444), (1235, 1292)]