31028220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{773}}^1$

素因数の和:1011

約数の個数: 72

約数和(自身を含む): 94663296

約数和(自身を除く): 63635076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 223, 446, 669, 773, 892, 1115, 1338, 1546, 2007, 2230, 2319, 2676, 3092, 3345, 3865, 4014, 4460, 4638, 6690, 6957, 7730, 8028, 9276, 10035, 11595, 13380, 13914, 15460, 20070, 23190, 27828, 34785, 40140, 46380, 69570, 139140, 172379, 344758, 517137, 689516, 861895, 1034274, 1551411, 1723790, 2068548, 2585685, 3102822, 3447580, 5171370, 6205644, 7757055, 10342740, 15514110, 31028220]

約数ペア:

[(1, 31028220), (2, 15514110), (3, 10342740), (4, 7757055), (5, 6205644), (6, 5171370), (9, 3447580), (10, 3102822), (12, 2585685), (15, 2068548), (18, 1723790), (20, 1551411), (30, 1034274), (36, 861895), (45, 689516), (60, 517137), (90, 344758), (180, 172379), (223, 139140), (446, 69570), (669, 46380), (773, 40140), (892, 34785), (1115, 27828), (1338, 23190), (1546, 20070), (2007, 15460), (2230, 13914), (2319, 13380), (2676, 11595), (3092, 10035), (3345, 9276), (3865, 8028), (4014, 7730), (4460, 6957), (4638, 6690)]