31604530

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 64385280

約数和(自身を除く): 32780750

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 59, 85, 115, 118, 137, 170, 230, 274, 295, 391, 590, 685, 782, 1003, 1357, 1370, 1955, 2006, 2329, 2714, 3151, 3910, 4658, 5015, 6302, 6785, 8083, 10030, 11645, 13570, 15755, 16166, 23069, 23290, 31510, 40415, 46138, 53567, 80830, 107134, 115345, 137411, 185909, 230690, 267835, 274822, 371818, 535670, 687055, 929545, 1374110, 1859090, 3160453, 6320906, 15802265, 31604530]

約数ペア:

[(1, 31604530), (2, 15802265), (5, 6320906), (10, 3160453), (17, 1859090), (23, 1374110), (34, 929545), (46, 687055), (59, 535670), (85, 371818), (115, 274822), (118, 267835), (137, 230690), (170, 185909), (230, 137411), (274, 115345), (295, 107134), (391, 80830), (590, 53567), (685, 46138), (782, 40415), (1003, 31510), (1357, 23290), (1370, 23069), (1955, 16166), (2006, 15755), (2329, 13570), (2714, 11645), (3151, 10030), (3910, 8083), (4658, 6785), (5015, 6302)]