68144440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:321

約数の個数: 128

約数和(自身を含む): 191640960

約数和(自身を除く): 123496520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 97, 104, 130, 140, 182, 193, 194, 260, 280, 364, 386, 388, 455, 485, 520, 679, 728, 772, 776, 910, 965, 970, 1261, 1351, 1358, 1544, 1820, 1930, 1940, 2509, 2522, 2702, 2716, 3395, 3640, 3860, 3880, 5018, 5044, 5404, 5432, 6305, 6755, 6790, 7720, 8827, 10036, 10088, 10808, 12545, 12610, 13510, 13580, 17563, 17654, 18721, 20072, 25090, 25220, 27020, 27160, 35126, 35308, 37442, 44135, 50180, 50440, 54040, 70252, 70616, 74884, 87815, 88270, 93605, 100360, 131047, 140504, 149768, 175630, 176540, 187210, 243373, 262094, 351260, 353080, 374420, 486746, 524188, 655235, 702520, 748840, 973492, 1048376, 1216865, 1310470, 1703611, 1946984, 2433730, 2620940, 3407222, 4867460, 5241880, 6814444, 8518055, 9734920, 13628888, 17036110, 34072220, 68144440]

約数ペア:

[(1, 68144440), (2, 34072220), (4, 17036110), (5, 13628888), (7, 9734920), (8, 8518055), (10, 6814444), (13, 5241880), (14, 4867460), (20, 3407222), (26, 2620940), (28, 2433730), (35, 1946984), (40, 1703611), (52, 1310470), (56, 1216865), (65, 1048376), (70, 973492), (91, 748840), (97, 702520), (104, 655235), (130, 524188), (140, 486746), (182, 374420), (193, 353080), (194, 351260), (260, 262094), (280, 243373), (364, 187210), (386, 176540), (388, 175630), (455, 149768), (485, 140504), (520, 131047), (679, 100360), (728, 93605), (772, 88270), (776, 87815), (910, 74884), (965, 70616), (970, 70252), (1261, 54040), (1351, 50440), (1358, 50180), (1544, 44135), (1820, 37442), (1930, 35308), (1940, 35126), (2509, 27160), (2522, 27020), (2702, 25220), (2716, 25090), (3395, 20072), (3640, 18721), (3860, 17654), (3880, 17563), (5018, 13580), (5044, 13510), (5404, 12610), (5432, 12545), (6305, 10808), (6755, 10088), (6790, 10036), (7720, 8827)]