72605980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{1193}}^1$

素因数の和:1398

約数の個数: 48

約数和(自身を含む): 162479520

約数和(自身を除く): 89873540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 179, 340, 358, 716, 895, 1193, 1790, 2386, 3043, 3580, 4772, 5965, 6086, 11930, 12172, 15215, 20281, 23860, 30430, 40562, 60860, 81124, 101405, 202810, 213547, 405620, 427094, 854188, 1067735, 2135470, 3630299, 4270940, 7260598, 14521196, 18151495, 36302990, 72605980]

約数ペア:

[(1, 72605980), (2, 36302990), (4, 18151495), (5, 14521196), (10, 7260598), (17, 4270940), (20, 3630299), (34, 2135470), (68, 1067735), (85, 854188), (170, 427094), (179, 405620), (340, 213547), (358, 202810), (716, 101405), (895, 81124), (1193, 60860), (1790, 40562), (2386, 30430), (3043, 23860), (3580, 20281), (4772, 15215), (5965, 12172), (6086, 11930)]