215727760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2351}}^1$

素因数の和:2432

約数の個数: 80

約数和(自身を含む): 531965952

約数和(自身を除く): 316238192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 80, 124, 148, 155, 185, 248, 296, 310, 370, 496, 592, 620, 740, 1147, 1240, 1480, 2294, 2351, 2480, 2960, 4588, 4702, 5735, 9176, 9404, 11470, 11755, 18352, 18808, 22940, 23510, 37616, 45880, 47020, 72881, 86987, 91760, 94040, 145762, 173974, 188080, 291524, 347948, 364405, 434935, 583048, 695896, 728810, 869870, 1166096, 1391792, 1457620, 1739740, 2696597, 2915240, 3479480, 5393194, 5830480, 6958960, 10786388, 13482985, 21572776, 26965970, 43145552, 53931940, 107863880, 215727760]

約数ペア:

[(1, 215727760), (2, 107863880), (4, 53931940), (5, 43145552), (8, 26965970), (10, 21572776), (16, 13482985), (20, 10786388), (31, 6958960), (37, 5830480), (40, 5393194), (62, 3479480), (74, 2915240), (80, 2696597), (124, 1739740), (148, 1457620), (155, 1391792), (185, 1166096), (248, 869870), (296, 728810), (310, 695896), (370, 583048), (496, 434935), (592, 364405), (620, 347948), (740, 291524), (1147, 188080), (1240, 173974), (1480, 145762), (2294, 94040), (2351, 91760), (2480, 86987), (2960, 72881), (4588, 47020), (4702, 45880), (5735, 37616), (9176, 23510), (9404, 22940), (11470, 18808), (11755, 18352)]