221327280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{307399}}^1$

素因数の和:307418

約数の個数: 60

約数和(自身を含む): 743293200

約数和(自身を除く): 521965920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 307399, 614798, 922197, 1229596, 1536995, 1844394, 2459192, 2766591, 3073990, 3688788, 4610985, 4918384, 5533182, 6147980, 7377576, 9221970, 11066364, 12295960, 13832955, 14755152, 18443940, 22132728, 24591920, 27665910, 36887880, 44265456, 55331820, 73775760, 110663640, 221327280]

約数ペア:

[(1, 221327280), (2, 110663640), (3, 73775760), (4, 55331820), (5, 44265456), (6, 36887880), (8, 27665910), (9, 24591920), (10, 22132728), (12, 18443940), (15, 14755152), (16, 13832955), (18, 12295960), (20, 11066364), (24, 9221970), (30, 7377576), (36, 6147980), (40, 5533182), (45, 4918384), (48, 4610985), (60, 3688788), (72, 3073990), (80, 2766591), (90, 2459192), (120, 1844394), (144, 1536995), (180, 1229596), (240, 922197), (360, 614798), (720, 307399)]