318341920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:295

約数の個数: 144

約数和(自身を含む): 832024872

約数和(自身を除く): 513682952

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 65, 80, 104, 122, 130, 160, 169, 193, 208, 244, 260, 305, 338, 386, 416, 488, 520, 610, 676, 772, 793, 845, 965, 976, 1040, 1220, 1352, 1544, 1586, 1690, 1930, 1952, 2080, 2440, 2509, 2704, 3088, 3172, 3380, 3860, 3965, 4880, 5018, 5408, 6176, 6344, 6760, 7720, 7930, 9760, 10036, 10309, 11773, 12545, 12688, 13520, 15440, 15860, 20072, 20618, 23546, 25090, 25376, 27040, 30880, 31720, 32617, 40144, 41236, 47092, 50180, 51545, 58865, 63440, 65234, 80288, 82472, 94184, 100360, 103090, 117730, 126880, 130468, 153049, 163085, 164944, 188368, 200720, 206180, 235460, 260936, 306098, 326170, 329888, 376736, 401440, 412360, 470920, 521872, 612196, 652340, 765245, 824720, 941840, 1043744, 1224392, 1304680, 1530490, 1649440, 1883680, 1989637, 2448784, 2609360, 3060980, 3979274, 4897568, 5218720, 6121960, 7958548, 9948185, 12243920, 15917096, 19896370, 24487840, 31834192, 39792740, 63668384, 79585480, 159170960, 318341920]

約数ペア:

[(1, 318341920), (2, 159170960), (4, 79585480), (5, 63668384), (8, 39792740), (10, 31834192), (13, 24487840), (16, 19896370), (20, 15917096), (26, 12243920), (32, 9948185), (40, 7958548), (52, 6121960), (61, 5218720), (65, 4897568), (80, 3979274), (104, 3060980), (122, 2609360), (130, 2448784), (160, 1989637), (169, 1883680), (193, 1649440), (208, 1530490), (244, 1304680), (260, 1224392), (305, 1043744), (338, 941840), (386, 824720), (416, 765245), (488, 652340), (520, 612196), (610, 521872), (676, 470920), (772, 412360), (793, 401440), (845, 376736), (965, 329888), (976, 326170), (1040, 306098), (1220, 260936), (1352, 235460), (1544, 206180), (1586, 200720), (1690, 188368), (1930, 164944), (1952, 163085), (2080, 153049), (2440, 130468), (2509, 126880), (2704, 117730), (3088, 103090), (3172, 100360), (3380, 94184), (3860, 82472), (3965, 80288), (4880, 65234), (5018, 63440), (5408, 58865), (6176, 51545), (6344, 50180), (6760, 47092), (7720, 41236), (7930, 40144), (9760, 32617), (10036, 31720), (10309, 30880), (11773, 27040), (12545, 25376), (12688, 25090), (13520, 23546), (15440, 20618), (15860, 20072)]