131506140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{1601}}^1$

素因数の和:1687

約数の個数: 72

約数和(自身を含む): 378674352

約数和(自身を除く): 247168212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 1369, 1601, 2220, 2738, 3202, 4107, 4803, 5476, 6404, 6845, 8005, 8214, 9606, 13690, 16010, 16428, 19212, 20535, 24015, 27380, 32020, 41070, 48030, 59237, 82140, 96060, 118474, 177711, 236948, 296185, 355422, 592370, 710844, 888555, 1184740, 1777110, 2191769, 3554220, 4383538, 6575307, 8767076, 10958845, 13150614, 21917690, 26301228, 32876535, 43835380, 65753070, 131506140]

約数ペア:

[(1, 131506140), (2, 65753070), (3, 43835380), (4, 32876535), (5, 26301228), (6, 21917690), (10, 13150614), (12, 10958845), (15, 8767076), (20, 6575307), (30, 4383538), (37, 3554220), (60, 2191769), (74, 1777110), (111, 1184740), (148, 888555), (185, 710844), (222, 592370), (370, 355422), (444, 296185), (555, 236948), (740, 177711), (1110, 118474), (1369, 96060), (1601, 82140), (2220, 59237), (2738, 48030), (3202, 41070), (4107, 32020), (4803, 27380), (5476, 24015), (6404, 20535), (6845, 19212), (8005, 16428), (8214, 16010), (9606, 13690)]