1555521720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{14419}}^1$

素因数の和:14493

約数の個数: 128

約数和(自身を含む): 4983552000

約数和(自身を除く): 3428030280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 31, 40, 58, 60, 62, 87, 93, 116, 120, 124, 145, 155, 174, 186, 232, 248, 290, 310, 348, 372, 435, 465, 580, 620, 696, 744, 870, 899, 930, 1160, 1240, 1740, 1798, 1860, 2697, 3480, 3596, 3720, 4495, 5394, 7192, 8990, 10788, 13485, 14419, 17980, 21576, 26970, 28838, 35960, 43257, 53940, 57676, 72095, 86514, 107880, 115352, 144190, 173028, 216285, 288380, 346056, 418151, 432570, 446989, 576760, 836302, 865140, 893978, 1254453, 1340967, 1672604, 1730280, 1787956, 2090755, 2234945, 2508906, 2681934, 3345208, 3575912, 4181510, 4469890, 5017812, 5363868, 6272265, 6704835, 8363020, 8939780, 10035624, 10727736, 12544530, 12962681, 13409670, 16726040, 17879560, 25089060, 25925362, 26819340, 38888043, 50178120, 51850724, 53638680, 64813405, 77776086, 103701448, 129626810, 155552172, 194440215, 259253620, 311104344, 388880430, 518507240, 777760860, 1555521720]

約数ペア:

[(1, 1555521720), (2, 777760860), (3, 518507240), (4, 388880430), (5, 311104344), (6, 259253620), (8, 194440215), (10, 155552172), (12, 129626810), (15, 103701448), (20, 77776086), (24, 64813405), (29, 53638680), (30, 51850724), (31, 50178120), (40, 38888043), (58, 26819340), (60, 25925362), (62, 25089060), (87, 17879560), (93, 16726040), (116, 13409670), (120, 12962681), (124, 12544530), (145, 10727736), (155, 10035624), (174, 8939780), (186, 8363020), (232, 6704835), (248, 6272265), (290, 5363868), (310, 5017812), (348, 4469890), (372, 4181510), (435, 3575912), (465, 3345208), (580, 2681934), (620, 2508906), (696, 2234945), (744, 2090755), (870, 1787956), (899, 1730280), (930, 1672604), (1160, 1340967), (1240, 1254453), (1740, 893978), (1798, 865140), (1860, 836302), (2697, 576760), (3480, 446989), (3596, 432570), (3720, 418151), (4495, 346056), (5394, 288380), (7192, 216285), (8990, 173028), (10788, 144190), (13485, 115352), (14419, 107880), (17980, 86514), (21576, 72095), (26970, 57676), (28838, 53940), (35960, 43257)]