156538920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1319}}^1$

素因数の和:1399

約数の個数: 128

約数和(自身を含む): 501811200

約数和(自身を除く): 345272280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 43, 46, 60, 69, 86, 92, 115, 120, 129, 138, 172, 184, 215, 230, 258, 276, 344, 345, 430, 460, 516, 552, 645, 690, 860, 920, 989, 1032, 1290, 1319, 1380, 1720, 1978, 2580, 2638, 2760, 2967, 3956, 3957, 4945, 5160, 5276, 5934, 6595, 7912, 7914, 9890, 10552, 11868, 13190, 14835, 15828, 19780, 19785, 23736, 26380, 29670, 30337, 31656, 39560, 39570, 52760, 56717, 59340, 60674, 79140, 91011, 113434, 118680, 121348, 151685, 158280, 170151, 182022, 226868, 242696, 283585, 303370, 340302, 364044, 453736, 455055, 567170, 606740, 680604, 728088, 850755, 910110, 1134340, 1213480, 1304491, 1361208, 1701510, 1820220, 2268680, 2608982, 3403020, 3640440, 3913473, 5217964, 6522455, 6806040, 7826946, 10435928, 13044910, 15653892, 19567365, 26089820, 31307784, 39134730, 52179640, 78269460, 156538920]

約数ペア:

[(1, 156538920), (2, 78269460), (3, 52179640), (4, 39134730), (5, 31307784), (6, 26089820), (8, 19567365), (10, 15653892), (12, 13044910), (15, 10435928), (20, 7826946), (23, 6806040), (24, 6522455), (30, 5217964), (40, 3913473), (43, 3640440), (46, 3403020), (60, 2608982), (69, 2268680), (86, 1820220), (92, 1701510), (115, 1361208), (120, 1304491), (129, 1213480), (138, 1134340), (172, 910110), (184, 850755), (215, 728088), (230, 680604), (258, 606740), (276, 567170), (344, 455055), (345, 453736), (430, 364044), (460, 340302), (516, 303370), (552, 283585), (645, 242696), (690, 226868), (860, 182022), (920, 170151), (989, 158280), (1032, 151685), (1290, 121348), (1319, 118680), (1380, 113434), (1720, 91011), (1978, 79140), (2580, 60674), (2638, 59340), (2760, 56717), (2967, 52760), (3956, 39570), (3957, 39560), (4945, 31656), (5160, 30337), (5276, 29670), (5934, 26380), (6595, 23736), (7912, 19785), (7914, 19780), (9890, 15828), (10552, 14835), (11868, 13190)]