1351240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:142

約数の個数: 64

約数和(自身を含む): 3447360

約数和(自身を除く): 2096120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 83, 88, 110, 148, 166, 185, 220, 296, 332, 370, 407, 415, 440, 664, 740, 814, 830, 913, 1480, 1628, 1660, 1826, 2035, 3071, 3256, 3320, 3652, 4070, 4565, 6142, 7304, 8140, 9130, 12284, 15355, 16280, 18260, 24568, 30710, 33781, 36520, 61420, 67562, 122840, 135124, 168905, 270248, 337810, 675620, 1351240]

約数ペア:

[(1, 1351240), (2, 675620), (4, 337810), (5, 270248), (8, 168905), (10, 135124), (11, 122840), (20, 67562), (22, 61420), (37, 36520), (40, 33781), (44, 30710), (55, 24568), (74, 18260), (83, 16280), (88, 15355), (110, 12284), (148, 9130), (166, 8140), (185, 7304), (220, 6142), (296, 4565), (332, 4070), (370, 3652), (407, 3320), (415, 3256), (440, 3071), (664, 2035), (740, 1826), (814, 1660), (830, 1628), (913, 1480)]