31308240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1787}}^1$

素因数の和:1876

約数の個数: 80

約数和(自身を含む): 98440128

約数和(自身を除く): 67131888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 73, 80, 120, 146, 219, 240, 292, 365, 438, 584, 730, 876, 1095, 1168, 1460, 1752, 1787, 2190, 2920, 3504, 3574, 4380, 5361, 5840, 7148, 8760, 8935, 10722, 14296, 17520, 17870, 21444, 26805, 28592, 35740, 42888, 53610, 71480, 85776, 107220, 130451, 142960, 214440, 260902, 391353, 428880, 521804, 652255, 782706, 1043608, 1304510, 1565412, 1956765, 2087216, 2609020, 3130824, 3913530, 5218040, 6261648, 7827060, 10436080, 15654120, 31308240]

約数ペア:

[(1, 31308240), (2, 15654120), (3, 10436080), (4, 7827060), (5, 6261648), (6, 5218040), (8, 3913530), (10, 3130824), (12, 2609020), (15, 2087216), (16, 1956765), (20, 1565412), (24, 1304510), (30, 1043608), (40, 782706), (48, 652255), (60, 521804), (73, 428880), (80, 391353), (120, 260902), (146, 214440), (219, 142960), (240, 130451), (292, 107220), (365, 85776), (438, 71480), (584, 53610), (730, 42888), (876, 35740), (1095, 28592), (1168, 26805), (1460, 21444), (1752, 17870), (1787, 17520), (2190, 14296), (2920, 10722), (3504, 8935), (3574, 8760), (4380, 7148), (5361, 5840)]