161338380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{54877}}^1$

素因数の和:54903

約数の個数: 72

約数和(自身を含む): 525511728

約数和(自身を除く): 364173348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 54877, 109754, 164631, 219508, 274385, 329262, 384139, 548770, 658524, 768278, 823155, 1097540, 1152417, 1536556, 1646310, 1920695, 2304834, 2688973, 3292620, 3841390, 4609668, 5377946, 5762085, 7682780, 8066919, 10755892, 11524170, 13444865, 16133838, 23048340, 26889730, 32267676, 40334595, 53779460, 80669190, 161338380]

約数ペア:

[(1, 161338380), (2, 80669190), (3, 53779460), (4, 40334595), (5, 32267676), (6, 26889730), (7, 23048340), (10, 16133838), (12, 13444865), (14, 11524170), (15, 10755892), (20, 8066919), (21, 7682780), (28, 5762085), (30, 5377946), (35, 4609668), (42, 3841390), (49, 3292620), (60, 2688973), (70, 2304834), (84, 1920695), (98, 1646310), (105, 1536556), (140, 1152417), (147, 1097540), (196, 823155), (210, 768278), (245, 658524), (294, 548770), (420, 384139), (490, 329262), (588, 274385), (735, 219508), (980, 164631), (1470, 109754), (2940, 54877)]