251564880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1093}}^1$

素因数の和:1253

約数の個数: 160

約数和(自身を含む): 898585344

約数和(自身を除く): 647020464

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 137, 140, 168, 210, 240, 274, 280, 336, 411, 420, 548, 560, 685, 822, 840, 959, 1093, 1096, 1370, 1644, 1680, 1918, 2055, 2186, 2192, 2740, 2877, 3279, 3288, 3836, 4110, 4372, 4795, 5465, 5480, 5754, 6558, 6576, 7651, 7672, 8220, 8744, 9590, 10930, 10960, 11508, 13116, 14385, 15302, 15344, 16395, 16440, 17488, 19180, 21860, 22953, 23016, 26232, 28770, 30604, 32790, 32880, 38255, 38360, 43720, 45906, 46032, 52464, 57540, 61208, 65580, 76510, 76720, 87440, 91812, 114765, 115080, 122416, 131160, 149741, 153020, 183624, 229530, 230160, 262320, 299482, 306040, 367248, 449223, 459060, 598964, 612080, 748705, 898446, 918120, 1048187, 1197928, 1497410, 1796892, 1836240, 2096374, 2246115, 2395856, 2994820, 3144561, 3593784, 4192748, 4492230, 5240935, 5989640, 6289122, 7187568, 8385496, 8984460, 10481870, 11979280, 12578244, 15722805, 16770992, 17968920, 20963740, 25156488, 31445610, 35937840, 41927480, 50312976, 62891220, 83854960, 125782440, 251564880]

約数ペア:

[(1, 251564880), (2, 125782440), (3, 83854960), (4, 62891220), (5, 50312976), (6, 41927480), (7, 35937840), (8, 31445610), (10, 25156488), (12, 20963740), (14, 17968920), (15, 16770992), (16, 15722805), (20, 12578244), (21, 11979280), (24, 10481870), (28, 8984460), (30, 8385496), (35, 7187568), (40, 6289122), (42, 5989640), (48, 5240935), (56, 4492230), (60, 4192748), (70, 3593784), (80, 3144561), (84, 2994820), (105, 2395856), (112, 2246115), (120, 2096374), (137, 1836240), (140, 1796892), (168, 1497410), (210, 1197928), (240, 1048187), (274, 918120), (280, 898446), (336, 748705), (411, 612080), (420, 598964), (548, 459060), (560, 449223), (685, 367248), (822, 306040), (840, 299482), (959, 262320), (1093, 230160), (1096, 229530), (1370, 183624), (1644, 153020), (1680, 149741), (1918, 131160), (2055, 122416), (2186, 115080), (2192, 114765), (2740, 91812), (2877, 87440), (3279, 76720), (3288, 76510), (3836, 65580), (4110, 61208), (4372, 57540), (4795, 52464), (5465, 46032), (5480, 45906), (5754, 43720), (6558, 38360), (6576, 38255), (7651, 32880), (7672, 32790), (8220, 30604), (8744, 28770), (9590, 26232), (10930, 23016), (10960, 22953), (11508, 21860), (13116, 19180), (14385, 17488), (15302, 16440), (15344, 16395)]