15679720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1931}}^1$

素因数の和:1978

約数の個数: 64

約数和(自身を含む): 41731200

約数和(自身を除く): 26051480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 1931, 2030, 3862, 4060, 7724, 8120, 9655, 13517, 15448, 19310, 27034, 38620, 54068, 55999, 67585, 77240, 108136, 111998, 135170, 223996, 270340, 279995, 391993, 447992, 540680, 559990, 783986, 1119980, 1567972, 1959965, 2239960, 3135944, 3919930, 7839860, 15679720]

約数ペア:

[(1, 15679720), (2, 7839860), (4, 3919930), (5, 3135944), (7, 2239960), (8, 1959965), (10, 1567972), (14, 1119980), (20, 783986), (28, 559990), (29, 540680), (35, 447992), (40, 391993), (56, 279995), (58, 270340), (70, 223996), (116, 135170), (140, 111998), (145, 108136), (203, 77240), (232, 67585), (280, 55999), (290, 54068), (406, 38620), (580, 27034), (812, 19310), (1015, 15448), (1160, 13517), (1624, 9655), (1931, 8120), (2030, 7724), (3862, 4060)]