72931220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1489}}^1$

素因数の和:1608

約数の個数: 48

約数和(自身を含む): 160204800

約数和(自身を除く): 87273580

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 620, 790, 1489, 1580, 2449, 2978, 4898, 5956, 7445, 9796, 12245, 14890, 24490, 29780, 46159, 48980, 92318, 117631, 184636, 230795, 235262, 461590, 470524, 588155, 923180, 1176310, 2352620, 3646561, 7293122, 14586244, 18232805, 36465610, 72931220]

約数ペア:

[(1, 72931220), (2, 36465610), (4, 18232805), (5, 14586244), (10, 7293122), (20, 3646561), (31, 2352620), (62, 1176310), (79, 923180), (124, 588155), (155, 470524), (158, 461590), (310, 235262), (316, 230795), (395, 184636), (620, 117631), (790, 92318), (1489, 48980), (1580, 46159), (2449, 29780), (2978, 24490), (4898, 14890), (5956, 12245), (7445, 9796)]