66959760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{39857}}^1$

素因数の和:39880

約数の個数: 80

約数和(自身を含む): 237234816

約数和(自身を除く): 170275056

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 39857, 79714, 119571, 159428, 199285, 239142, 278999, 318856, 398570, 478284, 557998, 597855, 637712, 797140, 836997, 956568, 1115996, 1195710, 1394995, 1594280, 1673994, 1913136, 2231992, 2391420, 2789990, 3188560, 3347988, 4184985, 4463984, 4782840, 5579980, 6695976, 8369970, 9565680, 11159960, 13391952, 16739940, 22319920, 33479880, 66959760]

約数ペア:

[(1, 66959760), (2, 33479880), (3, 22319920), (4, 16739940), (5, 13391952), (6, 11159960), (7, 9565680), (8, 8369970), (10, 6695976), (12, 5579980), (14, 4782840), (15, 4463984), (16, 4184985), (20, 3347988), (21, 3188560), (24, 2789990), (28, 2391420), (30, 2231992), (35, 1913136), (40, 1673994), (42, 1594280), (48, 1394995), (56, 1195710), (60, 1115996), (70, 956568), (80, 836997), (84, 797140), (105, 637712), (112, 597855), (120, 557998), (140, 478284), (168, 398570), (210, 318856), (240, 278999), (280, 239142), (336, 199285), (420, 159428), (560, 119571), (840, 79714), (1680, 39857)]