161330587040

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{20577881}}^1$

素因数の和:20577910

約数の個数: 72

約数和(自身を含む): 443371045572

約数和(自身を除く): 282040458532

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 20577881, 41155762, 82311524, 102889405, 144045167, 164623048, 205778810, 288090334, 329246096, 411557620, 576180668, 658492192, 720225835, 823115240, 1008316169, 1152361336, 1440451670, 1646230480, 2016632338, 2304722672, 2880903340, 3292460960, 4033264676, 4609445344, 5041580845, 5761806680, 8066529352, 10083161690, 11523613360, 16133058704, 20166323380, 23047226720, 32266117408, 40332646760, 80665293520, 161330587040]

約数ペア:

[(1, 161330587040), (2, 80665293520), (4, 40332646760), (5, 32266117408), (7, 23047226720), (8, 20166323380), (10, 16133058704), (14, 11523613360), (16, 10083161690), (20, 8066529352), (28, 5761806680), (32, 5041580845), (35, 4609445344), (40, 4033264676), (49, 3292460960), (56, 2880903340), (70, 2304722672), (80, 2016632338), (98, 1646230480), (112, 1440451670), (140, 1152361336), (160, 1008316169), (196, 823115240), (224, 720225835), (245, 658492192), (280, 576180668), (392, 411557620), (490, 329246096), (560, 288090334), (784, 205778810), (980, 164623048), (1120, 144045167), (1568, 102889405), (1960, 82311524), (3920, 41155762), (7840, 20577881)]