74457680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{401}}^1$

素因数の和:636

約数の個数: 80

約数和(自身を含む): 190219968

約数和(自身を除く): 115762288

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 211, 220, 401, 422, 440, 802, 844, 880, 1055, 1604, 1688, 2005, 2110, 2321, 3208, 3376, 4010, 4220, 4411, 4642, 6416, 8020, 8440, 8822, 9284, 11605, 16040, 16880, 17644, 18568, 22055, 23210, 32080, 35288, 37136, 44110, 46420, 70576, 84611, 88220, 92840, 169222, 176440, 185680, 338444, 352880, 423055, 676888, 846110, 930721, 1353776, 1692220, 1861442, 3384440, 3722884, 4653605, 6768880, 7445768, 9307210, 14891536, 18614420, 37228840, 74457680]

約数ペア:

[(1, 74457680), (2, 37228840), (4, 18614420), (5, 14891536), (8, 9307210), (10, 7445768), (11, 6768880), (16, 4653605), (20, 3722884), (22, 3384440), (40, 1861442), (44, 1692220), (55, 1353776), (80, 930721), (88, 846110), (110, 676888), (176, 423055), (211, 352880), (220, 338444), (401, 185680), (422, 176440), (440, 169222), (802, 92840), (844, 88220), (880, 84611), (1055, 70576), (1604, 46420), (1688, 44110), (2005, 37136), (2110, 35288), (2321, 32080), (3208, 23210), (3376, 22055), (4010, 18568), (4220, 17644), (4411, 16880), (4642, 16040), (6416, 11605), (8020, 9284), (8440, 8822)]