31452780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:295

約数の個数: 96

約数和(自身を含む): 91897344

約数和(自身を除く): 60444564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 73, 86, 129, 146, 167, 172, 215, 219, 258, 292, 334, 365, 430, 438, 501, 516, 645, 668, 730, 835, 860, 876, 1002, 1095, 1290, 1460, 1670, 2004, 2190, 2505, 2580, 3139, 3340, 4380, 5010, 6278, 7181, 9417, 10020, 12191, 12556, 14362, 15695, 18834, 21543, 24382, 28724, 31390, 35905, 36573, 37668, 43086, 47085, 48764, 60955, 62780, 71810, 73146, 86172, 94170, 107715, 121910, 143620, 146292, 182865, 188340, 215430, 243820, 365730, 430860, 524213, 731460, 1048426, 1572639, 2096852, 2621065, 3145278, 5242130, 6290556, 7863195, 10484260, 15726390, 31452780]

約数ペア:

[(1, 31452780), (2, 15726390), (3, 10484260), (4, 7863195), (5, 6290556), (6, 5242130), (10, 3145278), (12, 2621065), (15, 2096852), (20, 1572639), (30, 1048426), (43, 731460), (60, 524213), (73, 430860), (86, 365730), (129, 243820), (146, 215430), (167, 188340), (172, 182865), (215, 146292), (219, 143620), (258, 121910), (292, 107715), (334, 94170), (365, 86172), (430, 73146), (438, 71810), (501, 62780), (516, 60955), (645, 48764), (668, 47085), (730, 43086), (835, 37668), (860, 36573), (876, 35905), (1002, 31390), (1095, 28724), (1290, 24382), (1460, 21543), (1670, 18834), (2004, 15695), (2190, 14362), (2505, 12556), (2580, 12191), (3139, 10020), (3340, 9417), (4380, 7181), (5010, 6278)]