28587720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{34033}}^1$

素因数の和:34054

約数の個数: 64

約数和(自身を含む): 98017920

約数和(自身を除く): 69430200

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, 34033, 68066, 102099, 136132, 170165, 204198, 238231, 272264, 340330, 408396, 476462, 510495, 680660, 714693, 816792, 952924, 1020990, 1191155, 1361320, 1429386, 1905848, 2041980, 2382310, 2858772, 3573465, 4083960, 4764620, 5717544, 7146930, 9529240, 14293860, 28587720]

約数ペア:

[(1, 28587720), (2, 14293860), (3, 9529240), (4, 7146930), (5, 5717544), (6, 4764620), (7, 4083960), (8, 3573465), (10, 2858772), (12, 2382310), (14, 2041980), (15, 1905848), (20, 1429386), (21, 1361320), (24, 1191155), (28, 1020990), (30, 952924), (35, 816792), (40, 714693), (42, 680660), (56, 510495), (60, 476462), (70, 408396), (84, 340330), (105, 272264), (120, 238231), (140, 204198), (168, 170165), (210, 136132), (280, 102099), (420, 68066), (840, 34033)]