78800580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1999}}^1$

素因数の和:2090

約数の個数: 96

約数和(自身を含む): 248640000

約数和(自身を除く): 169839420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 73, 90, 108, 135, 146, 180, 219, 270, 292, 365, 438, 540, 657, 730, 876, 1095, 1314, 1460, 1971, 1999, 2190, 2628, 3285, 3942, 3998, 4380, 5997, 6570, 7884, 7996, 9855, 9995, 11994, 13140, 17991, 19710, 19990, 23988, 29985, 35982, 39420, 39980, 53973, 59970, 71964, 89955, 107946, 119940, 145927, 179910, 215892, 269865, 291854, 359820, 437781, 539730, 583708, 729635, 875562, 1079460, 1313343, 1459270, 1751124, 2188905, 2626686, 2918540, 3940029, 4377810, 5253372, 6566715, 7880058, 8755620, 13133430, 15760116, 19700145, 26266860, 39400290, 78800580]

約数ペア:

[(1, 78800580), (2, 39400290), (3, 26266860), (4, 19700145), (5, 15760116), (6, 13133430), (9, 8755620), (10, 7880058), (12, 6566715), (15, 5253372), (18, 4377810), (20, 3940029), (27, 2918540), (30, 2626686), (36, 2188905), (45, 1751124), (54, 1459270), (60, 1313343), (73, 1079460), (90, 875562), (108, 729635), (135, 583708), (146, 539730), (180, 437781), (219, 359820), (270, 291854), (292, 269865), (365, 215892), (438, 179910), (540, 145927), (657, 119940), (730, 107946), (876, 89955), (1095, 71964), (1314, 59970), (1460, 53973), (1971, 39980), (1999, 39420), (2190, 35982), (2628, 29985), (3285, 23988), (3942, 19990), (3998, 19710), (4380, 17991), (5997, 13140), (6570, 11994), (7884, 9995), (7996, 9855)]