66819340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1663}}^1$

素因数の和:1727

約数の個数: 72

約数和(自身を含む): 167311872

約数和(自身を除く): 100492532

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, 1663, 2009, 2870, 3326, 4018, 5740, 6652, 8036, 8315, 10045, 11641, 16630, 20090, 23282, 33260, 40180, 46564, 58205, 68183, 81487, 116410, 136366, 162974, 232820, 272732, 325948, 340915, 407435, 477281, 681830, 814870, 954562, 1363660, 1629740, 1909124, 2386405, 3340967, 4772810, 6681934, 9545620, 13363868, 16704835, 33409670, 66819340]

約数ペア:

[(1, 66819340), (2, 33409670), (4, 16704835), (5, 13363868), (7, 9545620), (10, 6681934), (14, 4772810), (20, 3340967), (28, 2386405), (35, 1909124), (41, 1629740), (49, 1363660), (70, 954562), (82, 814870), (98, 681830), (140, 477281), (164, 407435), (196, 340915), (205, 325948), (245, 272732), (287, 232820), (410, 162974), (490, 136366), (574, 116410), (820, 81487), (980, 68183), (1148, 58205), (1435, 46564), (1663, 40180), (2009, 33260), (2870, 23282), (3326, 20090), (4018, 16630), (5740, 11641), (6652, 10045), (8036, 8315)]