31021590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 77837760

約数和(自身を除く): 46816170

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 181, 197, 290, 362, 394, 435, 543, 591, 870, 905, 985, 1086, 1182, 1810, 1970, 2715, 2955, 5249, 5430, 5713, 5910, 10498, 11426, 15747, 17139, 26245, 28565, 31494, 34278, 35657, 52490, 57130, 71314, 78735, 85695, 106971, 157470, 171390, 178285, 213942, 356570, 534855, 1034053, 1069710, 2068106, 3102159, 5170265, 6204318, 10340530, 15510795, 31021590]

約数ペア:

[(1, 31021590), (2, 15510795), (3, 10340530), (5, 6204318), (6, 5170265), (10, 3102159), (15, 2068106), (29, 1069710), (30, 1034053), (58, 534855), (87, 356570), (145, 213942), (174, 178285), (181, 171390), (197, 157470), (290, 106971), (362, 85695), (394, 78735), (435, 71314), (543, 57130), (591, 52490), (870, 35657), (905, 34278), (985, 31494), (1086, 28565), (1182, 26245), (1810, 17139), (1970, 15747), (2715, 11426), (2955, 10498), (5249, 5910), (5430, 5713)]