31416880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1879}}^1$

素因数の和:1922

約数の個数: 80

約数和(自身を含む): 83923200

約数和(自身を除く): 52506320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 1879, 2090, 3344, 3758, 4180, 7516, 8360, 9395, 15032, 16720, 18790, 20669, 30064, 35701, 37580, 41338, 71402, 75160, 82676, 103345, 142804, 150320, 165352, 178505, 206690, 285608, 330704, 357010, 392711, 413380, 571216, 714020, 785422, 826760, 1428040, 1570844, 1653520, 1963555, 2856080, 3141688, 3927110, 6283376, 7854220, 15708440, 31416880]

約数ペア:

[(1, 31416880), (2, 15708440), (4, 7854220), (5, 6283376), (8, 3927110), (10, 3141688), (11, 2856080), (16, 1963555), (19, 1653520), (20, 1570844), (22, 1428040), (38, 826760), (40, 785422), (44, 714020), (55, 571216), (76, 413380), (80, 392711), (88, 357010), (95, 330704), (110, 285608), (152, 206690), (176, 178505), (190, 165352), (209, 150320), (220, 142804), (304, 103345), (380, 82676), (418, 75160), (440, 71402), (760, 41338), (836, 37580), (880, 35701), (1045, 30064), (1520, 20669), (1672, 18790), (1879, 16720), (2090, 15032), (3344, 9395), (3758, 8360), (4180, 7516)]