154261640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6899}}^1$

素因数の和:6966

約数の個数: 64

約数和(自身を含む): 382536000

約数和(自身を除く): 228274360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 2236, 2795, 4472, 5590, 6899, 11180, 13798, 22360, 27596, 34495, 55192, 68990, 89687, 137980, 179374, 275960, 296657, 358748, 448435, 593314, 717496, 896870, 1186628, 1483285, 1793740, 2373256, 2966570, 3587480, 3856541, 5933140, 7713082, 11866280, 15426164, 19282705, 30852328, 38565410, 77130820, 154261640]

約数ペア:

[(1, 154261640), (2, 77130820), (4, 38565410), (5, 30852328), (8, 19282705), (10, 15426164), (13, 11866280), (20, 7713082), (26, 5933140), (40, 3856541), (43, 3587480), (52, 2966570), (65, 2373256), (86, 1793740), (104, 1483285), (130, 1186628), (172, 896870), (215, 717496), (260, 593314), (344, 448435), (430, 358748), (520, 296657), (559, 275960), (860, 179374), (1118, 137980), (1720, 89687), (2236, 68990), (2795, 55192), (4472, 34495), (5590, 27596), (6899, 22360), (11180, 13798)]