18017160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:351

約数の個数: 128

約数和(自身を含む): 62726400

約数和(自身を除く): 44709240

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, 89, 105, 120, 140, 168, 178, 210, 241, 267, 280, 356, 420, 445, 482, 534, 623, 712, 723, 840, 890, 964, 1068, 1205, 1246, 1335, 1446, 1687, 1780, 1869, 1928, 2136, 2410, 2492, 2670, 2892, 3115, 3374, 3560, 3615, 3738, 4820, 4984, 5061, 5340, 5784, 6230, 6748, 7230, 7476, 8435, 9345, 9640, 10122, 10680, 12460, 13496, 14460, 14952, 16870, 18690, 20244, 21449, 24920, 25305, 28920, 33740, 37380, 40488, 42898, 50610, 64347, 67480, 74760, 85796, 101220, 107245, 128694, 150143, 171592, 202440, 214490, 257388, 300286, 321735, 428980, 450429, 514776, 600572, 643470, 750715, 857960, 900858, 1201144, 1286940, 1501430, 1801716, 2252145, 2573880, 3002860, 3603432, 4504290, 6005720, 9008580, 18017160]

約数ペア:

[(1, 18017160), (2, 9008580), (3, 6005720), (4, 4504290), (5, 3603432), (6, 3002860), (7, 2573880), (8, 2252145), (10, 1801716), (12, 1501430), (14, 1286940), (15, 1201144), (20, 900858), (21, 857960), (24, 750715), (28, 643470), (30, 600572), (35, 514776), (40, 450429), (42, 428980), (56, 321735), (60, 300286), (70, 257388), (84, 214490), (89, 202440), (105, 171592), (120, 150143), (140, 128694), (168, 107245), (178, 101220), (210, 85796), (241, 74760), (267, 67480), (280, 64347), (356, 50610), (420, 42898), (445, 40488), (482, 37380), (534, 33740), (623, 28920), (712, 25305), (723, 24920), (840, 21449), (890, 20244), (964, 18690), (1068, 16870), (1205, 14952), (1246, 14460), (1335, 13496), (1446, 12460), (1687, 10680), (1780, 10122), (1869, 9640), (1928, 9345), (2136, 8435), (2410, 7476), (2492, 7230), (2670, 6748), (2892, 6230), (3115, 5784), (3374, 5340), (3560, 5061), (3615, 4984), (3738, 4820)]