31400040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1289}}^1$

素因数の和:1339

約数の個数: 128

約数和(自身を含む): 111456000

約数和(自身を除く): 80055960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 56, 58, 60, 70, 84, 87, 105, 116, 120, 140, 145, 168, 174, 203, 210, 232, 280, 290, 348, 406, 420, 435, 580, 609, 696, 812, 840, 870, 1015, 1160, 1218, 1289, 1624, 1740, 2030, 2436, 2578, 3045, 3480, 3867, 4060, 4872, 5156, 6090, 6445, 7734, 8120, 9023, 10312, 12180, 12890, 15468, 18046, 19335, 24360, 25780, 27069, 30936, 36092, 37381, 38670, 45115, 51560, 54138, 72184, 74762, 77340, 90230, 108276, 112143, 135345, 149524, 154680, 180460, 186905, 216552, 224286, 261667, 270690, 299048, 360920, 373810, 448572, 523334, 541380, 560715, 747620, 785001, 897144, 1046668, 1082760, 1121430, 1308335, 1495240, 1570002, 2093336, 2242860, 2616670, 3140004, 3925005, 4485720, 5233340, 6280008, 7850010, 10466680, 15700020, 31400040]

約数ペア:

[(1, 31400040), (2, 15700020), (3, 10466680), (4, 7850010), (5, 6280008), (6, 5233340), (7, 4485720), (8, 3925005), (10, 3140004), (12, 2616670), (14, 2242860), (15, 2093336), (20, 1570002), (21, 1495240), (24, 1308335), (28, 1121430), (29, 1082760), (30, 1046668), (35, 897144), (40, 785001), (42, 747620), (56, 560715), (58, 541380), (60, 523334), (70, 448572), (84, 373810), (87, 360920), (105, 299048), (116, 270690), (120, 261667), (140, 224286), (145, 216552), (168, 186905), (174, 180460), (203, 154680), (210, 149524), (232, 135345), (280, 112143), (290, 108276), (348, 90230), (406, 77340), (420, 74762), (435, 72184), (580, 54138), (609, 51560), (696, 45115), (812, 38670), (840, 37381), (870, 36092), (1015, 30936), (1160, 27069), (1218, 25780), (1289, 24360), (1624, 19335), (1740, 18046), (2030, 15468), (2436, 12890), (2578, 12180), (3045, 10312), (3480, 9023), (3867, 8120), (4060, 7734), (4872, 6445), (5156, 6090)]