31587760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:362

約数の個数: 80

約数和(自身を含む): 77709312

約数和(自身を除く): 46121552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 47, 62, 80, 94, 124, 155, 188, 235, 248, 271, 310, 376, 470, 496, 542, 620, 752, 940, 1084, 1240, 1355, 1457, 1880, 2168, 2480, 2710, 2914, 3760, 4336, 5420, 5828, 7285, 8401, 10840, 11656, 12737, 14570, 16802, 21680, 23312, 25474, 29140, 33604, 42005, 50948, 58280, 63685, 67208, 84010, 101896, 116560, 127370, 134416, 168020, 203792, 254740, 336040, 394847, 509480, 672080, 789694, 1018960, 1579388, 1974235, 3158776, 3948470, 6317552, 7896940, 15793880, 31587760]

約数ペア:

[(1, 31587760), (2, 15793880), (4, 7896940), (5, 6317552), (8, 3948470), (10, 3158776), (16, 1974235), (20, 1579388), (31, 1018960), (40, 789694), (47, 672080), (62, 509480), (80, 394847), (94, 336040), (124, 254740), (155, 203792), (188, 168020), (235, 134416), (248, 127370), (271, 116560), (310, 101896), (376, 84010), (470, 67208), (496, 63685), (542, 58280), (620, 50948), (752, 42005), (940, 33604), (1084, 29140), (1240, 25474), (1355, 23312), (1457, 21680), (1880, 16802), (2168, 14570), (2480, 12737), (2710, 11656), (2914, 10840), (3760, 8401), (4336, 7285), (5420, 5828)]