1639966440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{8101}}^1$

素因数の和:8363

約数の個数: 128

約数和(自身を含む): 5646769920

約数和(自身を除く): 4006803480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 241, 280, 420, 482, 723, 840, 964, 1205, 1446, 1687, 1928, 2410, 2892, 3374, 3615, 4820, 5061, 5784, 6748, 7230, 8101, 8435, 9640, 10122, 13496, 14460, 16202, 16870, 20244, 24303, 25305, 28920, 32404, 33740, 40488, 40505, 48606, 50610, 56707, 64808, 67480, 81010, 97212, 101220, 113414, 121515, 162020, 170121, 194424, 202440, 226828, 243030, 283535, 324040, 340242, 453656, 486060, 567070, 680484, 850605, 972120, 1134140, 1360968, 1701210, 1952341, 2268280, 3402420, 3904682, 5857023, 6804840, 7809364, 9761705, 11714046, 13666387, 15618728, 19523410, 23428092, 27332774, 29285115, 39046820, 40999161, 46856184, 54665548, 58570230, 68331935, 78093640, 81998322, 109331096, 117140460, 136663870, 163996644, 204995805, 234280920, 273327740, 327993288, 409991610, 546655480, 819983220, 1639966440]

約数ペア:

[(1, 1639966440), (2, 819983220), (3, 546655480), (4, 409991610), (5, 327993288), (6, 273327740), (7, 234280920), (8, 204995805), (10, 163996644), (12, 136663870), (14, 117140460), (15, 109331096), (20, 81998322), (21, 78093640), (24, 68331935), (28, 58570230), (30, 54665548), (35, 46856184), (40, 40999161), (42, 39046820), (56, 29285115), (60, 27332774), (70, 23428092), (84, 19523410), (105, 15618728), (120, 13666387), (140, 11714046), (168, 9761705), (210, 7809364), (241, 6804840), (280, 5857023), (420, 3904682), (482, 3402420), (723, 2268280), (840, 1952341), (964, 1701210), (1205, 1360968), (1446, 1134140), (1687, 972120), (1928, 850605), (2410, 680484), (2892, 567070), (3374, 486060), (3615, 453656), (4820, 340242), (5061, 324040), (5784, 283535), (6748, 243030), (7230, 226828), (8101, 202440), (8435, 194424), (9640, 170121), (10122, 162020), (13496, 121515), (14460, 113414), (16202, 101220), (16870, 97212), (20244, 81010), (24303, 67480), (25305, 64808), (28920, 56707), (32404, 50610), (33740, 48606), (40488, 40505)]