42664720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1621}}^1$

素因数の和:1688

約数の個数: 80

約数和(自身を含む): 115849728

約数和(自身を除く): 73185008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1316, 1621, 1645, 1880, 2632, 3242, 3290, 3760, 5264, 6484, 6580, 8105, 11347, 12968, 13160, 16210, 22694, 25936, 26320, 32420, 45388, 56735, 64840, 76187, 90776, 113470, 129680, 152374, 181552, 226940, 304748, 380935, 453880, 533309, 609496, 761870, 907760, 1066618, 1218992, 1523740, 2133236, 2666545, 3047480, 4266472, 5333090, 6094960, 8532944, 10666180, 21332360, 42664720]

約数ペア:

[(1, 42664720), (2, 21332360), (4, 10666180), (5, 8532944), (7, 6094960), (8, 5333090), (10, 4266472), (14, 3047480), (16, 2666545), (20, 2133236), (28, 1523740), (35, 1218992), (40, 1066618), (47, 907760), (56, 761870), (70, 609496), (80, 533309), (94, 453880), (112, 380935), (140, 304748), (188, 226940), (235, 181552), (280, 152374), (329, 129680), (376, 113470), (470, 90776), (560, 76187), (658, 64840), (752, 56735), (940, 45388), (1316, 32420), (1621, 26320), (1645, 25936), (1880, 22694), (2632, 16210), (3242, 13160), (3290, 12968), (3760, 11347), (5264, 8105), (6484, 6580)]