1640278860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1993}}^1$

素因数の和:2088

約数の個数: 192

約数和(自身を含む): 5306273280

約数和(自身を除く): 3665994420

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 29, 30, 33, 43, 44, 55, 58, 60, 66, 86, 87, 110, 116, 129, 132, 145, 165, 172, 174, 215, 220, 258, 290, 319, 330, 348, 430, 435, 473, 516, 580, 638, 645, 660, 860, 870, 946, 957, 1247, 1276, 1290, 1419, 1595, 1740, 1892, 1914, 1993, 2365, 2494, 2580, 2838, 3190, 3741, 3828, 3986, 4730, 4785, 4988, 5676, 5979, 6235, 6380, 7095, 7482, 7972, 9460, 9570, 9965, 11958, 12470, 13717, 14190, 14964, 18705, 19140, 19930, 21923, 23916, 24940, 27434, 28380, 29895, 37410, 39860, 41151, 43846, 54868, 57797, 59790, 65769, 68585, 74820, 82302, 85699, 87692, 109615, 115594, 119580, 131538, 137170, 164604, 171398, 173391, 205755, 219230, 231188, 257097, 263076, 274340, 288985, 328845, 342796, 346782, 411510, 428495, 438460, 514194, 577970, 635767, 657690, 693564, 823020, 856990, 866955, 942689, 1028388, 1155940, 1271534, 1285485, 1315380, 1713980, 1733910, 1885378, 1907301, 2485271, 2543068, 2570970, 2828067, 3178835, 3467820, 3770756, 3814602, 4713445, 4970542, 5141940, 5656134, 6357670, 7455813, 7629204, 9426890, 9536505, 9941084, 11312268, 12426355, 12715340, 14140335, 14911626, 18853780, 19073010, 24852710, 27337981, 28280670, 29823252, 37279065, 38146020, 49705420, 54675962, 56561340, 74558130, 82013943, 109351924, 136689905, 149116260, 164027886, 273379810, 328055772, 410069715, 546759620, 820139430, 1640278860]

約数ペア:

[(1, 1640278860), (2, 820139430), (3, 546759620), (4, 410069715), (5, 328055772), (6, 273379810), (10, 164027886), (11, 149116260), (12, 136689905), (15, 109351924), (20, 82013943), (22, 74558130), (29, 56561340), (30, 54675962), (33, 49705420), (43, 38146020), (44, 37279065), (55, 29823252), (58, 28280670), (60, 27337981), (66, 24852710), (86, 19073010), (87, 18853780), (110, 14911626), (116, 14140335), (129, 12715340), (132, 12426355), (145, 11312268), (165, 9941084), (172, 9536505), (174, 9426890), (215, 7629204), (220, 7455813), (258, 6357670), (290, 5656134), (319, 5141940), (330, 4970542), (348, 4713445), (430, 3814602), (435, 3770756), (473, 3467820), (516, 3178835), (580, 2828067), (638, 2570970), (645, 2543068), (660, 2485271), (860, 1907301), (870, 1885378), (946, 1733910), (957, 1713980), (1247, 1315380), (1276, 1285485), (1290, 1271534), (1419, 1155940), (1595, 1028388), (1740, 942689), (1892, 866955), (1914, 856990), (1993, 823020), (2365, 693564), (2494, 657690), (2580, 635767), (2838, 577970), (3190, 514194), (3741, 438460), (3828, 428495), (3986, 411510), (4730, 346782), (4785, 342796), (4988, 328845), (5676, 288985), (5979, 274340), (6235, 263076), (6380, 257097), (7095, 231188), (7482, 219230), (7972, 205755), (9460, 173391), (9570, 171398), (9965, 164604), (11958, 137170), (12470, 131538), (13717, 119580), (14190, 115594), (14964, 109615), (18705, 87692), (19140, 85699), (19930, 82302), (21923, 74820), (23916, 68585), (24940, 65769), (27434, 59790), (28380, 57797), (29895, 54868), (37410, 43846), (39860, 41151)]