7840530

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 21254400

約数和(自身を除く): 13413870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 71, 90, 135, 142, 213, 270, 355, 409, 426, 639, 710, 818, 1065, 1227, 1278, 1917, 2045, 2130, 2454, 3195, 3681, 3834, 4090, 6135, 6390, 7362, 9585, 11043, 12270, 18405, 19170, 22086, 29039, 36810, 55215, 58078, 87117, 110430, 145195, 174234, 261351, 290390, 435585, 522702, 784053, 871170, 1306755, 1568106, 2613510, 3920265, 7840530]

約数ペア:

[(1, 7840530), (2, 3920265), (3, 2613510), (5, 1568106), (6, 1306755), (9, 871170), (10, 784053), (15, 522702), (18, 435585), (27, 290390), (30, 261351), (45, 174234), (54, 145195), (71, 110430), (90, 87117), (135, 58078), (142, 55215), (213, 36810), (270, 29039), (355, 22086), (409, 19170), (426, 18405), (639, 12270), (710, 11043), (818, 9585), (1065, 7362), (1227, 6390), (1278, 6135), (1917, 4090), (2045, 3834), (2130, 3681), (2454, 3195)]