66518480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:337

約数の個数: 120

約数和(自身を含む): 183202560

約数和(自身を除く): 116684080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 71, 80, 98, 112, 140, 142, 196, 239, 245, 280, 284, 355, 392, 478, 490, 497, 560, 568, 710, 784, 956, 980, 994, 1136, 1195, 1420, 1673, 1912, 1960, 1988, 2390, 2485, 2840, 3346, 3479, 3824, 3920, 3976, 4780, 4970, 5680, 6692, 6958, 7952, 8365, 9560, 9940, 11711, 13384, 13916, 16730, 16969, 17395, 19120, 19880, 23422, 26768, 27832, 33460, 33938, 34790, 39760, 46844, 55664, 58555, 66920, 67876, 69580, 84845, 93688, 117110, 118783, 133840, 135752, 139160, 169690, 187376, 234220, 237566, 271504, 278320, 339380, 468440, 475132, 593915, 678760, 831481, 936880, 950264, 1187830, 1357520, 1662962, 1900528, 2375660, 3325924, 4157405, 4751320, 6651848, 8314810, 9502640, 13303696, 16629620, 33259240, 66518480]

約数ペア:

[(1, 66518480), (2, 33259240), (4, 16629620), (5, 13303696), (7, 9502640), (8, 8314810), (10, 6651848), (14, 4751320), (16, 4157405), (20, 3325924), (28, 2375660), (35, 1900528), (40, 1662962), (49, 1357520), (56, 1187830), (70, 950264), (71, 936880), (80, 831481), (98, 678760), (112, 593915), (140, 475132), (142, 468440), (196, 339380), (239, 278320), (245, 271504), (280, 237566), (284, 234220), (355, 187376), (392, 169690), (478, 139160), (490, 135752), (497, 133840), (560, 118783), (568, 117110), (710, 93688), (784, 84845), (956, 69580), (980, 67876), (994, 66920), (1136, 58555), (1195, 55664), (1420, 46844), (1673, 39760), (1912, 34790), (1960, 33938), (1988, 33460), (2390, 27832), (2485, 26768), (2840, 23422), (3346, 19880), (3479, 19120), (3824, 17395), (3920, 16969), (3976, 16730), (4780, 13916), (4970, 13384), (5680, 11711), (6692, 9940), (6958, 9560), (7952, 8365)]