1891980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:495

約数の個数: 72

約数和(自身を含む): 6001632

約数和(自身を除く): 4109652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 457, 460, 690, 828, 914, 1035, 1371, 1380, 1828, 2070, 2285, 2742, 4113, 4140, 4570, 5484, 6855, 8226, 9140, 10511, 13710, 16452, 20565, 21022, 27420, 31533, 41130, 42044, 52555, 63066, 82260, 94599, 105110, 126132, 157665, 189198, 210220, 315330, 378396, 472995, 630660, 945990, 1891980]

約数ペア:

[(1, 1891980), (2, 945990), (3, 630660), (4, 472995), (5, 378396), (6, 315330), (9, 210220), (10, 189198), (12, 157665), (15, 126132), (18, 105110), (20, 94599), (23, 82260), (30, 63066), (36, 52555), (45, 42044), (46, 41130), (60, 31533), (69, 27420), (90, 21022), (92, 20565), (115, 16452), (138, 13710), (180, 10511), (207, 9140), (230, 8226), (276, 6855), (345, 5484), (414, 4570), (457, 4140), (460, 4113), (690, 2742), (828, 2285), (914, 2070), (1035, 1828), (1371, 1380)]