2015540020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{8623}}^1$

素因数の和:8705

約数の個数: 96

約数和(自身を含む): 4868075520

約数和(自身を除く): 2852535500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 31, 52, 58, 62, 65, 116, 124, 130, 145, 155, 260, 290, 310, 377, 403, 580, 620, 754, 806, 899, 1508, 1612, 1798, 1885, 2015, 3596, 3770, 4030, 4495, 7540, 8060, 8623, 8990, 11687, 17246, 17980, 23374, 34492, 43115, 46748, 58435, 86230, 112099, 116870, 172460, 224198, 233740, 250067, 267313, 448396, 500134, 534626, 560495, 1000268, 1069252, 1120990, 1250335, 1336565, 2241980, 2500670, 2673130, 3250871, 3475069, 5001340, 5346260, 6501742, 6950138, 7752077, 13003484, 13900276, 15504154, 16254355, 17375345, 31008308, 32508710, 34750690, 38760385, 65017420, 69501380, 77520770, 100777001, 155041540, 201554002, 403108004, 503885005, 1007770010, 2015540020]

約数ペア:

[(1, 2015540020), (2, 1007770010), (4, 503885005), (5, 403108004), (10, 201554002), (13, 155041540), (20, 100777001), (26, 77520770), (29, 69501380), (31, 65017420), (52, 38760385), (58, 34750690), (62, 32508710), (65, 31008308), (116, 17375345), (124, 16254355), (130, 15504154), (145, 13900276), (155, 13003484), (260, 7752077), (290, 6950138), (310, 6501742), (377, 5346260), (403, 5001340), (580, 3475069), (620, 3250871), (754, 2673130), (806, 2500670), (899, 2241980), (1508, 1336565), (1612, 1250335), (1798, 1120990), (1885, 1069252), (2015, 1000268), (3596, 560495), (3770, 534626), (4030, 500134), (4495, 448396), (7540, 267313), (8060, 250067), (8623, 233740), (8990, 224198), (11687, 172460), (17246, 116870), (17980, 112099), (23374, 86230), (34492, 58435), (43115, 46748)]