306531280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{2137}}^1$

素因数の和:2324

約数の個数: 80

約数和(自身を含む): 782610624

約数和(自身を除く): 476079344

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 163, 176, 220, 326, 440, 652, 815, 880, 1304, 1630, 1793, 2137, 2608, 3260, 3586, 4274, 6520, 7172, 8548, 8965, 10685, 13040, 14344, 17096, 17930, 21370, 23507, 28688, 34192, 35860, 42740, 47014, 71720, 85480, 94028, 117535, 143440, 170960, 188056, 235070, 348331, 376112, 470140, 696662, 940280, 1393324, 1741655, 1880560, 2786648, 3483310, 3831641, 5573296, 6966620, 7663282, 13933240, 15326564, 19158205, 27866480, 30653128, 38316410, 61306256, 76632820, 153265640, 306531280]

約数ペア:

[(1, 306531280), (2, 153265640), (4, 76632820), (5, 61306256), (8, 38316410), (10, 30653128), (11, 27866480), (16, 19158205), (20, 15326564), (22, 13933240), (40, 7663282), (44, 6966620), (55, 5573296), (80, 3831641), (88, 3483310), (110, 2786648), (163, 1880560), (176, 1741655), (220, 1393324), (326, 940280), (440, 696662), (652, 470140), (815, 376112), (880, 348331), (1304, 235070), (1630, 188056), (1793, 170960), (2137, 143440), (2608, 117535), (3260, 94028), (3586, 85480), (4274, 71720), (6520, 47014), (7172, 42740), (8548, 35860), (8965, 34192), (10685, 28688), (13040, 23507), (14344, 21370), (17096, 17930)]