66954440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:211

約数の個数: 128

約数和(自身を含む): 180956160

約数和(自身を除く): 114001720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 67, 70, 83, 86, 134, 140, 166, 172, 215, 268, 280, 301, 332, 335, 344, 415, 430, 469, 536, 581, 602, 664, 670, 830, 860, 938, 1162, 1204, 1340, 1505, 1660, 1720, 1876, 2324, 2345, 2408, 2680, 2881, 2905, 3010, 3320, 3569, 3752, 4648, 4690, 5561, 5762, 5810, 6020, 7138, 9380, 11122, 11524, 11620, 12040, 14276, 14405, 17845, 18760, 20167, 22244, 23048, 23240, 24983, 27805, 28552, 28810, 35690, 38927, 40334, 44488, 49966, 55610, 57620, 71380, 77854, 80668, 99932, 100835, 111220, 115240, 124915, 142760, 155708, 161336, 194635, 199864, 201670, 222440, 239123, 249830, 311416, 389270, 403340, 478246, 499660, 778540, 806680, 956492, 999320, 1195615, 1557080, 1673861, 1912984, 2391230, 3347722, 4782460, 6695444, 8369305, 9564920, 13390888, 16738610, 33477220, 66954440]

約数ペア:

[(1, 66954440), (2, 33477220), (4, 16738610), (5, 13390888), (7, 9564920), (8, 8369305), (10, 6695444), (14, 4782460), (20, 3347722), (28, 2391230), (35, 1912984), (40, 1673861), (43, 1557080), (56, 1195615), (67, 999320), (70, 956492), (83, 806680), (86, 778540), (134, 499660), (140, 478246), (166, 403340), (172, 389270), (215, 311416), (268, 249830), (280, 239123), (301, 222440), (332, 201670), (335, 199864), (344, 194635), (415, 161336), (430, 155708), (469, 142760), (536, 124915), (581, 115240), (602, 111220), (664, 100835), (670, 99932), (830, 80668), (860, 77854), (938, 71380), (1162, 57620), (1204, 55610), (1340, 49966), (1505, 44488), (1660, 40334), (1720, 38927), (1876, 35690), (2324, 28810), (2345, 28552), (2408, 27805), (2680, 24983), (2881, 23240), (2905, 23048), (3010, 22244), (3320, 20167), (3569, 18760), (3752, 17845), (4648, 14405), (4690, 14276), (5561, 12040), (5762, 11620), (5810, 11524), (6020, 11122), (7138, 9380)]