81057480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{96497}}^1$

素因数の和:96518

約数の個数: 64

約数和(自身を含む): 277914240

約数和(自身を除く): 196856760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 96497, 192994, 289491, 385988, 482485, 578982, 675479, 771976, 964970, 1157964, 1350958, 1447455, 1929940, 2026437, 2315928, 2701916, 2894910, 3377395, 3859880, 4052874, 5403832, 5789820, 6754790, 8105748, 10132185, 11579640, 13509580, 16211496, 20264370, 27019160, 40528740, 81057480]

約数ペア:

[(1, 81057480), (2, 40528740), (3, 27019160), (4, 20264370), (5, 16211496), (6, 13509580), (7, 11579640), (8, 10132185), (10, 8105748), (12, 6754790), (14, 5789820), (15, 5403832), (20, 4052874), (21, 3859880), (24, 3377395), (28, 2894910), (30, 2701916), (35, 2315928), (40, 2026437), (42, 1929940), (56, 1447455), (60, 1350958), (70, 1157964), (84, 964970), (105, 771976), (120, 675479), (140, 578982), (168, 482485), (210, 385988), (280, 289491), (420, 192994), (840, 96497)]