138802440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1109}}^1$

素因数の和:1279

約数の個数: 128

約数和(自身を含む): 479520000

約数和(自身を除く): 340717560

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, 149, 168, 210, 280, 298, 420, 447, 596, 745, 840, 894, 1043, 1109, 1192, 1490, 1788, 2086, 2218, 2235, 2980, 3129, 3327, 3576, 4172, 4436, 4470, 5215, 5545, 5960, 6258, 6654, 7763, 8344, 8872, 8940, 10430, 11090, 12516, 13308, 15526, 15645, 16635, 17880, 20860, 22180, 23289, 25032, 26616, 31052, 31290, 33270, 38815, 41720, 44360, 46578, 62104, 62580, 66540, 77630, 93156, 116445, 125160, 133080, 155260, 165241, 186312, 232890, 310520, 330482, 465780, 495723, 660964, 826205, 931560, 991446, 1156687, 1321928, 1652410, 1982892, 2313374, 2478615, 3304820, 3470061, 3965784, 4626748, 4957230, 5783435, 6609640, 6940122, 9253496, 9914460, 11566870, 13880244, 17350305, 19828920, 23133740, 27760488, 34700610, 46267480, 69401220, 138802440]

約数ペア:

[(1, 138802440), (2, 69401220), (3, 46267480), (4, 34700610), (5, 27760488), (6, 23133740), (7, 19828920), (8, 17350305), (10, 13880244), (12, 11566870), (14, 9914460), (15, 9253496), (20, 6940122), (21, 6609640), (24, 5783435), (28, 4957230), (30, 4626748), (35, 3965784), (40, 3470061), (42, 3304820), (56, 2478615), (60, 2313374), (70, 1982892), (84, 1652410), (105, 1321928), (120, 1156687), (140, 991446), (149, 931560), (168, 826205), (210, 660964), (280, 495723), (298, 465780), (420, 330482), (447, 310520), (596, 232890), (745, 186312), (840, 165241), (894, 155260), (1043, 133080), (1109, 125160), (1192, 116445), (1490, 93156), (1788, 77630), (2086, 66540), (2218, 62580), (2235, 62104), (2980, 46578), (3129, 44360), (3327, 41720), (3576, 38815), (4172, 33270), (4436, 31290), (4470, 31052), (5215, 26616), (5545, 25032), (5960, 23289), (6258, 22180), (6654, 20860), (7763, 17880), (8344, 16635), (8872, 15645), (8940, 15526), (10430, 13308), (11090, 12516)]