81967080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52543}}^1$

素因数の和:52570

約数の個数: 64

約数和(自身を含む): 264821760

約数和(自身を除く): 182854680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 52543, 105086, 157629, 210172, 262715, 315258, 420344, 525430, 630516, 683059, 788145, 1050860, 1261032, 1366118, 1576290, 2049177, 2101720, 2732236, 3152580, 3415295, 4098354, 5464472, 6305160, 6830590, 8196708, 10245885, 13661180, 16393416, 20491770, 27322360, 40983540, 81967080]

約数ペア:

[(1, 81967080), (2, 40983540), (3, 27322360), (4, 20491770), (5, 16393416), (6, 13661180), (8, 10245885), (10, 8196708), (12, 6830590), (13, 6305160), (15, 5464472), (20, 4098354), (24, 3415295), (26, 3152580), (30, 2732236), (39, 2101720), (40, 2049177), (52, 1576290), (60, 1366118), (65, 1261032), (78, 1050860), (104, 788145), (120, 683059), (130, 630516), (156, 525430), (195, 420344), (260, 315258), (312, 262715), (390, 210172), (520, 157629), (780, 105086), (1560, 52543)]