67553960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{347}}^1$

素因数の和:546

約数の個数: 64

約数和(自身を含む): 158353920

約数和(自身を除く): 90799960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 157, 248, 310, 314, 347, 620, 628, 694, 785, 1240, 1256, 1388, 1570, 1735, 2776, 3140, 3470, 4867, 6280, 6940, 9734, 10757, 13880, 19468, 21514, 24335, 38936, 43028, 48670, 53785, 54479, 86056, 97340, 107570, 108958, 194680, 215140, 217916, 272395, 430280, 435832, 544790, 1089580, 1688849, 2179160, 3377698, 6755396, 8444245, 13510792, 16888490, 33776980, 67553960]

約数ペア:

[(1, 67553960), (2, 33776980), (4, 16888490), (5, 13510792), (8, 8444245), (10, 6755396), (20, 3377698), (31, 2179160), (40, 1688849), (62, 1089580), (124, 544790), (155, 435832), (157, 430280), (248, 272395), (310, 217916), (314, 215140), (347, 194680), (620, 108958), (628, 107570), (694, 97340), (785, 86056), (1240, 54479), (1256, 53785), (1388, 48670), (1570, 43028), (1735, 38936), (2776, 24335), (3140, 21514), (3470, 19468), (4867, 13880), (6280, 10757), (6940, 9734)]