123680040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2179}}^1$

素因数の和:2247

約数の個数: 128

約数和(自身を含む): 414374400

約数和(自身を除く): 290694360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 43, 44, 55, 60, 66, 86, 88, 110, 120, 129, 132, 165, 172, 215, 220, 258, 264, 330, 344, 430, 440, 473, 516, 645, 660, 860, 946, 1032, 1290, 1320, 1419, 1720, 1892, 2179, 2365, 2580, 2838, 3784, 4358, 4730, 5160, 5676, 6537, 7095, 8716, 9460, 10895, 11352, 13074, 14190, 17432, 18920, 21790, 23969, 26148, 28380, 32685, 43580, 47938, 52296, 56760, 65370, 71907, 87160, 93697, 95876, 119845, 130740, 143814, 187394, 191752, 239690, 261480, 281091, 287628, 359535, 374788, 468485, 479380, 562182, 575256, 719070, 749576, 936970, 958760, 1030667, 1124364, 1405455, 1438140, 1873940, 2061334, 2248728, 2810910, 2876280, 3092001, 3747880, 4122668, 5153335, 5621820, 6184002, 8245336, 10306670, 11243640, 12368004, 15460005, 20613340, 24736008, 30920010, 41226680, 61840020, 123680040]

約数ペア:

[(1, 123680040), (2, 61840020), (3, 41226680), (4, 30920010), (5, 24736008), (6, 20613340), (8, 15460005), (10, 12368004), (11, 11243640), (12, 10306670), (15, 8245336), (20, 6184002), (22, 5621820), (24, 5153335), (30, 4122668), (33, 3747880), (40, 3092001), (43, 2876280), (44, 2810910), (55, 2248728), (60, 2061334), (66, 1873940), (86, 1438140), (88, 1405455), (110, 1124364), (120, 1030667), (129, 958760), (132, 936970), (165, 749576), (172, 719070), (215, 575256), (220, 562182), (258, 479380), (264, 468485), (330, 374788), (344, 359535), (430, 287628), (440, 281091), (473, 261480), (516, 239690), (645, 191752), (660, 187394), (860, 143814), (946, 130740), (1032, 119845), (1290, 95876), (1320, 93697), (1419, 87160), (1720, 71907), (1892, 65370), (2179, 56760), (2365, 52296), (2580, 47938), (2838, 43580), (3784, 32685), (4358, 28380), (4730, 26148), (5160, 23969), (5676, 21790), (6537, 18920), (7095, 17432), (8716, 14190), (9460, 13074), (10895, 11352)]