1255877820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{98269}}^1$

素因数の和:98355

約数の個数: 72

約数和(自身を含む): 3863190240

約数和(自身を除く): 2607312420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 98269, 196538, 294807, 393076, 491345, 589614, 884421, 982690, 1179228, 1474035, 1768842, 1965380, 2948070, 3537684, 4422105, 5896140, 6977099, 8844210, 13954198, 17688420, 20931297, 27908396, 34885495, 41862594, 62793891, 69770990, 83725188, 104656485, 125587782, 139541980, 209312970, 251175564, 313969455, 418625940, 627938910, 1255877820]

約数ペア:

[(1, 1255877820), (2, 627938910), (3, 418625940), (4, 313969455), (5, 251175564), (6, 209312970), (9, 139541980), (10, 125587782), (12, 104656485), (15, 83725188), (18, 69770990), (20, 62793891), (30, 41862594), (36, 34885495), (45, 27908396), (60, 20931297), (71, 17688420), (90, 13954198), (142, 8844210), (180, 6977099), (213, 5896140), (284, 4422105), (355, 3537684), (426, 2948070), (639, 1965380), (710, 1768842), (852, 1474035), (1065, 1179228), (1278, 982690), (1420, 884421), (2130, 589614), (2556, 491345), (3195, 393076), (4260, 294807), (6390, 196538), (12780, 98269)]