1255453880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{787}}^1\times {\mathrm{2099}}^1$

素因数の和:2916

約数の個数: 64

約数和(自身を含む): 2978640000

約数和(自身を除く): 1723186120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 787, 1574, 2099, 3148, 3935, 4198, 6296, 7870, 8396, 10495, 14953, 15740, 16792, 20990, 29906, 31480, 39881, 41980, 59812, 74765, 79762, 83960, 119624, 149530, 159524, 199405, 299060, 319048, 398810, 598120, 797620, 1595240, 1651913, 3303826, 6607652, 8259565, 13215304, 16519130, 31386347, 33038260, 62772694, 66076520, 125545388, 156931735, 251090776, 313863470, 627726940, 1255453880]

約数ペア:

[(1, 1255453880), (2, 627726940), (4, 313863470), (5, 251090776), (8, 156931735), (10, 125545388), (19, 66076520), (20, 62772694), (38, 33038260), (40, 31386347), (76, 16519130), (95, 13215304), (152, 8259565), (190, 6607652), (380, 3303826), (760, 1651913), (787, 1595240), (1574, 797620), (2099, 598120), (3148, 398810), (3935, 319048), (4198, 299060), (6296, 199405), (7870, 159524), (8396, 149530), (10495, 119624), (14953, 83960), (15740, 79762), (16792, 74765), (20990, 59812), (29906, 41980), (31480, 39881)]