84771160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1571}}^1$

素因数の和:1672

約数の個数: 64

約数和(自身を含む): 203731200

約数和(自身を除く): 118960040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1349, 1420, 1571, 2698, 2840, 3142, 5396, 6284, 6745, 7855, 10792, 12568, 13490, 15710, 26980, 29849, 31420, 53960, 59698, 62840, 111541, 119396, 149245, 223082, 238792, 298490, 446164, 557705, 596980, 892328, 1115410, 1193960, 2119279, 2230820, 4238558, 4461640, 8477116, 10596395, 16954232, 21192790, 42385580, 84771160]

約数ペア:

[(1, 84771160), (2, 42385580), (4, 21192790), (5, 16954232), (8, 10596395), (10, 8477116), (19, 4461640), (20, 4238558), (38, 2230820), (40, 2119279), (71, 1193960), (76, 1115410), (95, 892328), (142, 596980), (152, 557705), (190, 446164), (284, 298490), (355, 238792), (380, 223082), (568, 149245), (710, 119396), (760, 111541), (1349, 62840), (1420, 59698), (1571, 53960), (2698, 31420), (2840, 29849), (3142, 26980), (5396, 15710), (6284, 13490), (6745, 12568), (7855, 10792)]