76872765

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 136857600

約数和(自身を除く): 59984835

約数列:

[1, 3, 5, 15, 19, 29, 57, 71, 87, 95, 131, 145, 213, 285, 355, 393, 435, 551, 655, 1065, 1349, 1653, 1965, 2059, 2489, 2755, 3799, 4047, 6177, 6745, 7467, 8265, 9301, 10295, 11397, 12445, 18995, 20235, 27903, 30885, 37335, 39121, 46505, 56985, 72181, 117363, 139515, 176719, 195605, 216543, 269729, 360905, 530157, 586815, 809187, 883595, 1082715, 1348645, 2650785, 4045935, 5124851, 15374553, 25624255, 76872765]

約数ペア:

[(1, 76872765), (3, 25624255), (5, 15374553), (15, 5124851), (19, 4045935), (29, 2650785), (57, 1348645), (71, 1082715), (87, 883595), (95, 809187), (131, 586815), (145, 530157), (213, 360905), (285, 269729), (355, 216543), (393, 195605), (435, 176719), (551, 139515), (655, 117363), (1065, 72181), (1349, 56985), (1653, 46505), (1965, 39121), (2059, 37335), (2489, 30885), (2755, 27903), (3799, 20235), (4047, 18995), (6177, 12445), (6745, 11397), (7467, 10295), (8265, 9301)]