320807100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{499}}^1\times {\mathrm{2143}}^1$

素因数の和:2659

約数の個数: 72

約数和(自身を含む): 930496000

約数和(自身を除く): 609688900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 499, 998, 1497, 1996, 2143, 2495, 2994, 4286, 4990, 5988, 6429, 7485, 8572, 9980, 10715, 12475, 12858, 14970, 21430, 24950, 25716, 29940, 32145, 37425, 42860, 49900, 53575, 64290, 74850, 107150, 128580, 149700, 160725, 214300, 321450, 642900, 1069357, 2138714, 3208071, 4277428, 5346785, 6416142, 10693570, 12832284, 16040355, 21387140, 26733925, 32080710, 53467850, 64161420, 80201775, 106935700, 160403550, 320807100]

約数ペア:

[(1, 320807100), (2, 160403550), (3, 106935700), (4, 80201775), (5, 64161420), (6, 53467850), (10, 32080710), (12, 26733925), (15, 21387140), (20, 16040355), (25, 12832284), (30, 10693570), (50, 6416142), (60, 5346785), (75, 4277428), (100, 3208071), (150, 2138714), (300, 1069357), (499, 642900), (998, 321450), (1497, 214300), (1996, 160725), (2143, 149700), (2495, 128580), (2994, 107150), (4286, 74850), (4990, 64290), (5988, 53575), (6429, 49900), (7485, 42860), (8572, 37425), (9980, 32145), (10715, 29940), (12475, 25716), (12858, 24950), (14970, 21430)]