161001260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{4007}}^1$

素因数の和:4071

約数の個数: 72

約数和(自身を含む): 402996384

約数和(自身を除く): 241995124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 820, 980, 1148, 1435, 2009, 2870, 4007, 4018, 5740, 8014, 8036, 10045, 16028, 20035, 20090, 28049, 40070, 40180, 56098, 80140, 112196, 140245, 164287, 196343, 280490, 328574, 392686, 560980, 657148, 785372, 821435, 981715, 1150009, 1642870, 1963430, 2300018, 3285740, 3926860, 4600036, 5750045, 8050063, 11500090, 16100126, 23000180, 32200252, 40250315, 80500630, 161001260]

約数ペア:

[(1, 161001260), (2, 80500630), (4, 40250315), (5, 32200252), (7, 23000180), (10, 16100126), (14, 11500090), (20, 8050063), (28, 5750045), (35, 4600036), (41, 3926860), (49, 3285740), (70, 2300018), (82, 1963430), (98, 1642870), (140, 1150009), (164, 981715), (196, 821435), (205, 785372), (245, 657148), (287, 560980), (410, 392686), (490, 328574), (574, 280490), (820, 196343), (980, 164287), (1148, 140245), (1435, 112196), (2009, 80140), (2870, 56098), (4007, 40180), (4018, 40070), (5740, 28049), (8014, 20090), (8036, 20035), (10045, 16028)]