289377960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{56081}}^1$

素因数の和:56138

約数の個数: 64

約数和(自身を含む): 888338880

約数和(自身を除く): 598960920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 56081, 112162, 168243, 224324, 280405, 336486, 448648, 560810, 672972, 841215, 1121620, 1345944, 1682430, 2243240, 2411483, 3364860, 4822966, 6729720, 7234449, 9645932, 12057415, 14468898, 19291864, 24114830, 28937796, 36172245, 48229660, 57875592, 72344490, 96459320, 144688980, 289377960]

約数ペア:

[(1, 289377960), (2, 144688980), (3, 96459320), (4, 72344490), (5, 57875592), (6, 48229660), (8, 36172245), (10, 28937796), (12, 24114830), (15, 19291864), (20, 14468898), (24, 12057415), (30, 9645932), (40, 7234449), (43, 6729720), (60, 4822966), (86, 3364860), (120, 2411483), (129, 2243240), (172, 1682430), (215, 1345944), (258, 1121620), (344, 841215), (430, 672972), (516, 560810), (645, 448648), (860, 336486), (1032, 280405), (1290, 224324), (1720, 168243), (2580, 112162), (5160, 56081)]