7241570320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{80749}}^1$

素因数の和:80840

約数の個数: 80

約数和(自身を含む): 18023400000

約数和(自身を除く): 10781829680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 59, 76, 80, 95, 118, 152, 190, 236, 295, 304, 380, 472, 590, 760, 944, 1121, 1180, 1520, 2242, 2360, 4484, 4720, 5605, 8968, 11210, 17936, 22420, 44840, 80749, 89680, 161498, 322996, 403745, 645992, 807490, 1291984, 1534231, 1614980, 3068462, 3229960, 4764191, 6136924, 6459920, 7671155, 9528382, 12273848, 15342310, 19056764, 23820955, 24547696, 30684620, 38113528, 47641910, 61369240, 76227056, 90519629, 95283820, 122738480, 181039258, 190567640, 362078516, 381135280, 452598145, 724157032, 905196290, 1448314064, 1810392580, 3620785160, 7241570320]

約数ペア:

[(1, 7241570320), (2, 3620785160), (4, 1810392580), (5, 1448314064), (8, 905196290), (10, 724157032), (16, 452598145), (19, 381135280), (20, 362078516), (38, 190567640), (40, 181039258), (59, 122738480), (76, 95283820), (80, 90519629), (95, 76227056), (118, 61369240), (152, 47641910), (190, 38113528), (236, 30684620), (295, 24547696), (304, 23820955), (380, 19056764), (472, 15342310), (590, 12273848), (760, 9528382), (944, 7671155), (1121, 6459920), (1180, 6136924), (1520, 4764191), (2242, 3229960), (2360, 3068462), (4484, 1614980), (4720, 1534231), (5605, 1291984), (8968, 807490), (11210, 645992), (17936, 403745), (22420, 322996), (44840, 161498), (80749, 89680)]