143808080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2609}}^1$

素因数の和:2688

約数の個数: 80

約数和(自身を含む): 367007760

約数和(自身を除く): 223199680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 53, 65, 80, 104, 106, 130, 208, 212, 260, 265, 424, 520, 530, 689, 848, 1040, 1060, 1378, 2120, 2609, 2756, 3445, 4240, 5218, 5512, 6890, 10436, 11024, 13045, 13780, 20872, 26090, 27560, 33917, 41744, 52180, 55120, 67834, 104360, 135668, 138277, 169585, 208720, 271336, 276554, 339170, 542672, 553108, 678340, 691385, 1106216, 1356680, 1382770, 1797601, 2212432, 2713360, 2765540, 3595202, 5531080, 7190404, 8988005, 11062160, 14380808, 17976010, 28761616, 35952020, 71904040, 143808080]

約数ペア:

[(1, 143808080), (2, 71904040), (4, 35952020), (5, 28761616), (8, 17976010), (10, 14380808), (13, 11062160), (16, 8988005), (20, 7190404), (26, 5531080), (40, 3595202), (52, 2765540), (53, 2713360), (65, 2212432), (80, 1797601), (104, 1382770), (106, 1356680), (130, 1106216), (208, 691385), (212, 678340), (260, 553108), (265, 542672), (424, 339170), (520, 276554), (530, 271336), (689, 208720), (848, 169585), (1040, 138277), (1060, 135668), (1378, 104360), (2120, 67834), (2609, 55120), (2756, 52180), (3445, 41744), (4240, 33917), (5218, 27560), (5512, 26090), (6890, 20872), (10436, 13780), (11024, 13045)]