1776688380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139021}}^1$

素因数の和:139107

約数の個数: 72

約数和(自身を含む): 5465232864

約数和(自身を除く): 3688544484

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, 139021, 278042, 417063, 556084, 695105, 834126, 1251189, 1390210, 1668252, 2085315, 2502378, 2780420, 4170630, 5004756, 6255945, 8341260, 9870491, 12511890, 19740982, 25023780, 29611473, 39481964, 49352455, 59222946, 88834419, 98704910, 118445892, 148057365, 177668838, 197409820, 296114730, 355337676, 444172095, 592229460, 888344190, 1776688380]

約数ペア:

[(1, 1776688380), (2, 888344190), (3, 592229460), (4, 444172095), (5, 355337676), (6, 296114730), (9, 197409820), (10, 177668838), (12, 148057365), (15, 118445892), (18, 98704910), (20, 88834419), (30, 59222946), (36, 49352455), (45, 39481964), (60, 29611473), (71, 25023780), (90, 19740982), (142, 12511890), (180, 9870491), (213, 8341260), (284, 6255945), (355, 5004756), (426, 4170630), (639, 2780420), (710, 2502378), (852, 2085315), (1065, 1668252), (1278, 1390210), (1420, 1251189), (2130, 834126), (2556, 695105), (3195, 556084), (4260, 417063), (6390, 278042), (12780, 139021)]