179889640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:351

約数の個数: 128

約数和(自身を含む): 482549760

約数和(自身を除く): 302660120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 67, 70, 86, 134, 140, 172, 215, 223, 268, 280, 301, 335, 344, 430, 446, 469, 536, 602, 670, 860, 892, 938, 1115, 1204, 1340, 1505, 1561, 1720, 1784, 1876, 2230, 2345, 2408, 2680, 2881, 3010, 3122, 3752, 4460, 4690, 5762, 6020, 6244, 7805, 8920, 9380, 9589, 11524, 12040, 12488, 14405, 14941, 15610, 18760, 19178, 20167, 23048, 28810, 29882, 31220, 38356, 40334, 47945, 57620, 59764, 62440, 67123, 74705, 76712, 80668, 95890, 100835, 104587, 115240, 119528, 134246, 149410, 161336, 191780, 201670, 209174, 268492, 298820, 335615, 383560, 403340, 418348, 522935, 536984, 597640, 642463, 671230, 806680, 836696, 1045870, 1284926, 1342460, 2091740, 2569852, 2684920, 3212315, 4183480, 4497241, 5139704, 6424630, 8994482, 12849260, 17988964, 22486205, 25698520, 35977928, 44972410, 89944820, 179889640]

約数ペア:

[(1, 179889640), (2, 89944820), (4, 44972410), (5, 35977928), (7, 25698520), (8, 22486205), (10, 17988964), (14, 12849260), (20, 8994482), (28, 6424630), (35, 5139704), (40, 4497241), (43, 4183480), (56, 3212315), (67, 2684920), (70, 2569852), (86, 2091740), (134, 1342460), (140, 1284926), (172, 1045870), (215, 836696), (223, 806680), (268, 671230), (280, 642463), (301, 597640), (335, 536984), (344, 522935), (430, 418348), (446, 403340), (469, 383560), (536, 335615), (602, 298820), (670, 268492), (860, 209174), (892, 201670), (938, 191780), (1115, 161336), (1204, 149410), (1340, 134246), (1505, 119528), (1561, 115240), (1720, 104587), (1784, 100835), (1876, 95890), (2230, 80668), (2345, 76712), (2408, 74705), (2680, 67123), (2881, 62440), (3010, 59764), (3122, 57620), (3752, 47945), (4460, 40334), (4690, 38356), (5762, 31220), (6020, 29882), (6244, 28810), (7805, 23048), (8920, 20167), (9380, 19178), (9589, 18760), (11524, 15610), (12040, 14941), (12488, 14405)]