1451240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:162

約数の個数: 64

約数和(自身を含む): 3836160

約数和(自身を除く): 2384920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 73, 140, 142, 146, 280, 284, 292, 355, 365, 497, 511, 568, 584, 710, 730, 994, 1022, 1420, 1460, 1988, 2044, 2485, 2555, 2840, 2920, 3976, 4088, 4970, 5110, 5183, 9940, 10220, 10366, 19880, 20440, 20732, 25915, 36281, 41464, 51830, 72562, 103660, 145124, 181405, 207320, 290248, 362810, 725620, 1451240]

約数ペア:

[(1, 1451240), (2, 725620), (4, 362810), (5, 290248), (7, 207320), (8, 181405), (10, 145124), (14, 103660), (20, 72562), (28, 51830), (35, 41464), (40, 36281), (56, 25915), (70, 20732), (71, 20440), (73, 19880), (140, 10366), (142, 10220), (146, 9940), (280, 5183), (284, 5110), (292, 4970), (355, 4088), (365, 3976), (497, 2920), (511, 2840), (568, 2555), (584, 2485), (710, 2044), (730, 1988), (994, 1460), (1022, 1420)]