15621320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2731}}^1$

素因数の和:2766

約数の個数: 64

約数和(自身を含む): 41307840

約数和(自身を除く): 25686520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2731, 2860, 5462, 5720, 10924, 13655, 21848, 27310, 30041, 35503, 54620, 60082, 71006, 109240, 120164, 142012, 150205, 177515, 240328, 284024, 300410, 355030, 390533, 600820, 710060, 781066, 1201640, 1420120, 1562132, 1952665, 3124264, 3905330, 7810660, 15621320]

約数ペア:

[(1, 15621320), (2, 7810660), (4, 3905330), (5, 3124264), (8, 1952665), (10, 1562132), (11, 1420120), (13, 1201640), (20, 781066), (22, 710060), (26, 600820), (40, 390533), (44, 355030), (52, 300410), (55, 284024), (65, 240328), (88, 177515), (104, 150205), (110, 142012), (130, 120164), (143, 109240), (220, 71006), (260, 60082), (286, 54620), (440, 35503), (520, 30041), (572, 27310), (715, 21848), (1144, 13655), (1430, 10924), (2731, 5720), (2860, 5462)]