257154030

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{17747}}^1$

素因数の和:17790

約数の個数: 96

約数和(自身を含む): 797382144

約数和(自身を除く): 540228114

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 30, 35, 42, 45, 46, 63, 69, 70, 90, 105, 115, 126, 138, 161, 207, 210, 230, 315, 322, 345, 414, 483, 630, 690, 805, 966, 1035, 1449, 1610, 2070, 2415, 2898, 4830, 7245, 14490, 17747, 35494, 53241, 88735, 106482, 124229, 159723, 177470, 248458, 266205, 319446, 372687, 408181, 532410, 621145, 745374, 798615, 816362, 1118061, 1224543, 1242290, 1597230, 1863435, 2040905, 2236122, 2449086, 2857267, 3673629, 3726870, 4081810, 5590305, 5714534, 6122715, 7347258, 8571801, 11180610, 12245430, 14286335, 17143602, 18368145, 25715403, 28572670, 36736290, 42859005, 51430806, 85718010, 128577015, 257154030]

約数ペア:

[(1, 257154030), (2, 128577015), (3, 85718010), (5, 51430806), (6, 42859005), (7, 36736290), (9, 28572670), (10, 25715403), (14, 18368145), (15, 17143602), (18, 14286335), (21, 12245430), (23, 11180610), (30, 8571801), (35, 7347258), (42, 6122715), (45, 5714534), (46, 5590305), (63, 4081810), (69, 3726870), (70, 3673629), (90, 2857267), (105, 2449086), (115, 2236122), (126, 2040905), (138, 1863435), (161, 1597230), (207, 1242290), (210, 1224543), (230, 1118061), (315, 816362), (322, 798615), (345, 745374), (414, 621145), (483, 532410), (630, 408181), (690, 372687), (805, 319446), (966, 266205), (1035, 248458), (1449, 177470), (1610, 159723), (2070, 124229), (2415, 106482), (2898, 88735), (4830, 53241), (7245, 35494), (14490, 17747)]