12807080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2239}}^1$

素因数の和:2274

約数の個数: 64

約数和(自身を含む): 33868800

約数和(自身を除く): 21061720

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, 2239, 2860, 4478, 5720, 8956, 11195, 17912, 22390, 24629, 29107, 44780, 49258, 58214, 89560, 98516, 116428, 123145, 145535, 197032, 232856, 246290, 291070, 320177, 492580, 582140, 640354, 985160, 1164280, 1280708, 1600885, 2561416, 3201770, 6403540, 12807080]

約数ペア:

[(1, 12807080), (2, 6403540), (4, 3201770), (5, 2561416), (8, 1600885), (10, 1280708), (11, 1164280), (13, 985160), (20, 640354), (22, 582140), (26, 492580), (40, 320177), (44, 291070), (52, 246290), (55, 232856), (65, 197032), (88, 145535), (104, 123145), (110, 116428), (130, 98516), (143, 89560), (220, 58214), (260, 49258), (286, 44780), (440, 29107), (520, 24629), (572, 22390), (715, 17912), (1144, 11195), (1430, 8956), (2239, 5720), (2860, 4478)]