520079120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{7481}}^1$

素因数の和:7584

約数の個数: 80

約数和(自身を含む): 1335985920

約数和(自身を除く): 815906800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 79, 80, 88, 110, 158, 176, 220, 316, 395, 440, 632, 790, 869, 880, 1264, 1580, 1738, 3160, 3476, 4345, 6320, 6952, 7481, 8690, 13904, 14962, 17380, 29924, 34760, 37405, 59848, 69520, 74810, 82291, 119696, 149620, 164582, 299240, 329164, 411455, 590999, 598480, 658328, 822910, 1181998, 1316656, 1645820, 2363996, 2954995, 3291640, 4727992, 5909990, 6500989, 6583280, 9455984, 11819980, 13001978, 23639960, 26003956, 32504945, 47279920, 52007912, 65009890, 104015824, 130019780, 260039560, 520079120]

約数ペア:

[(1, 520079120), (2, 260039560), (4, 130019780), (5, 104015824), (8, 65009890), (10, 52007912), (11, 47279920), (16, 32504945), (20, 26003956), (22, 23639960), (40, 13001978), (44, 11819980), (55, 9455984), (79, 6583280), (80, 6500989), (88, 5909990), (110, 4727992), (158, 3291640), (176, 2954995), (220, 2363996), (316, 1645820), (395, 1316656), (440, 1181998), (632, 822910), (790, 658328), (869, 598480), (880, 590999), (1264, 411455), (1580, 329164), (1738, 299240), (3160, 164582), (3476, 149620), (4345, 119696), (6320, 82291), (6952, 74810), (7481, 69520), (8690, 59848), (13904, 37405), (14962, 34760), (17380, 29924)]