61990720

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1601}}^1$

素因数の和:1640

約数の個数: 84

約数和(自身を含む): 162356292

約数和(自身を除く): 100365572

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 160, 176, 220, 242, 320, 352, 440, 484, 605, 704, 880, 968, 1210, 1601, 1760, 1936, 2420, 3202, 3520, 3872, 4840, 6404, 7744, 8005, 9680, 12808, 16010, 17611, 19360, 25616, 32020, 35222, 38720, 51232, 64040, 70444, 88055, 102464, 128080, 140888, 176110, 193721, 256160, 281776, 352220, 387442, 512320, 563552, 704440, 774884, 968605, 1127104, 1408880, 1549768, 1937210, 2817760, 3099536, 3874420, 5635520, 6199072, 7748840, 12398144, 15497680, 30995360, 61990720]

約数ペア:

[(1, 61990720), (2, 30995360), (4, 15497680), (5, 12398144), (8, 7748840), (10, 6199072), (11, 5635520), (16, 3874420), (20, 3099536), (22, 2817760), (32, 1937210), (40, 1549768), (44, 1408880), (55, 1127104), (64, 968605), (80, 774884), (88, 704440), (110, 563552), (121, 512320), (160, 387442), (176, 352220), (220, 281776), (242, 256160), (320, 193721), (352, 176110), (440, 140888), (484, 128080), (605, 102464), (704, 88055), (880, 70444), (968, 64040), (1210, 51232), (1601, 38720), (1760, 35222), (1936, 32020), (2420, 25616), (3202, 19360), (3520, 17611), (3872, 16010), (4840, 12808), (6404, 9680), (7744, 8005)]