28321740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6841}}^1$

素因数の和:6879

約数の個数: 72

約数和(自身を含む): 89657568

約数和(自身を除く): 61335828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 6841, 13682, 20523, 27364, 34205, 41046, 61569, 68410, 82092, 102615, 123138, 136820, 157343, 205230, 246276, 307845, 314686, 410460, 472029, 615690, 629372, 786715, 944058, 1231380, 1416087, 1573430, 1888116, 2360145, 2832174, 3146860, 4720290, 5664348, 7080435, 9440580, 14160870, 28321740]

約数ペア:

[(1, 28321740), (2, 14160870), (3, 9440580), (4, 7080435), (5, 5664348), (6, 4720290), (9, 3146860), (10, 2832174), (12, 2360145), (15, 1888116), (18, 1573430), (20, 1416087), (23, 1231380), (30, 944058), (36, 786715), (45, 629372), (46, 615690), (60, 472029), (69, 410460), (90, 314686), (92, 307845), (115, 246276), (138, 205230), (180, 157343), (207, 136820), (230, 123138), (276, 102615), (345, 82092), (414, 68410), (460, 61569), (690, 41046), (828, 34205), (1035, 27364), (1380, 20523), (2070, 13682), (4140, 6841)]