80755380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{631}}^1$

素因数の和:731

約数の個数: 120

約数和(自身を含む): 256945920

約数和(自身を除く): 176190540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 79, 81, 90, 108, 135, 158, 162, 180, 237, 270, 316, 324, 395, 405, 474, 540, 631, 711, 790, 810, 948, 1185, 1262, 1422, 1580, 1620, 1893, 2133, 2370, 2524, 2844, 3155, 3555, 3786, 4266, 4740, 5679, 6310, 6399, 7110, 7572, 8532, 9465, 10665, 11358, 12620, 12798, 14220, 17037, 18930, 21330, 22716, 25596, 28395, 31995, 34074, 37860, 42660, 49849, 51111, 56790, 63990, 68148, 85185, 99698, 102222, 113580, 127980, 149547, 170370, 199396, 204444, 249245, 255555, 299094, 340740, 448641, 498490, 511110, 598188, 747735, 897282, 996980, 1022220, 1345923, 1495470, 1794564, 2243205, 2691846, 2990940, 4037769, 4486410, 5383692, 6729615, 8075538, 8972820, 13459230, 16151076, 20188845, 26918460, 40377690, 80755380]

約数ペア:

[(1, 80755380), (2, 40377690), (3, 26918460), (4, 20188845), (5, 16151076), (6, 13459230), (9, 8972820), (10, 8075538), (12, 6729615), (15, 5383692), (18, 4486410), (20, 4037769), (27, 2990940), (30, 2691846), (36, 2243205), (45, 1794564), (54, 1495470), (60, 1345923), (79, 1022220), (81, 996980), (90, 897282), (108, 747735), (135, 598188), (158, 511110), (162, 498490), (180, 448641), (237, 340740), (270, 299094), (316, 255555), (324, 249245), (395, 204444), (405, 199396), (474, 170370), (540, 149547), (631, 127980), (711, 113580), (790, 102222), (810, 99698), (948, 85185), (1185, 68148), (1262, 63990), (1422, 56790), (1580, 51111), (1620, 49849), (1893, 42660), (2133, 37860), (2370, 34074), (2524, 31995), (2844, 28395), (3155, 25596), (3555, 22716), (3786, 21330), (4266, 18930), (4740, 17037), (5679, 14220), (6310, 12798), (6399, 12620), (7110, 11358), (7572, 10665), (8532, 9465)]