7281240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1291}}^1$

素因数の和:1352

約数の個数: 64

約数和(自身を含む): 22325760

約数和(自身を除く): 15044520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1291, 1410, 1880, 2582, 2820, 3873, 5164, 5640, 6455, 7746, 10328, 12910, 15492, 19365, 25820, 30984, 38730, 51640, 60677, 77460, 121354, 154920, 182031, 242708, 303385, 364062, 485416, 606770, 728124, 910155, 1213540, 1456248, 1820310, 2427080, 3640620, 7281240]

約数ペア:

[(1, 7281240), (2, 3640620), (3, 2427080), (4, 1820310), (5, 1456248), (6, 1213540), (8, 910155), (10, 728124), (12, 606770), (15, 485416), (20, 364062), (24, 303385), (30, 242708), (40, 182031), (47, 154920), (60, 121354), (94, 77460), (120, 60677), (141, 51640), (188, 38730), (235, 30984), (282, 25820), (376, 19365), (470, 15492), (564, 12910), (705, 10328), (940, 7746), (1128, 6455), (1291, 5640), (1410, 5164), (1880, 3873), (2582, 2820)]