28488840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1193}}^1$

素因数の和:1406

約数の個数: 64

約数和(自身を含む): 85968000

約数和(自身を除く): 57479160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 199, 398, 597, 796, 995, 1193, 1194, 1592, 1990, 2386, 2388, 2985, 3579, 3980, 4772, 4776, 5965, 5970, 7158, 7960, 9544, 11930, 11940, 14316, 17895, 23860, 23880, 28632, 35790, 47720, 71580, 143160, 237407, 474814, 712221, 949628, 1187035, 1424442, 1899256, 2374070, 2848884, 3561105, 4748140, 5697768, 7122210, 9496280, 14244420, 28488840]

約数ペア:

[(1, 28488840), (2, 14244420), (3, 9496280), (4, 7122210), (5, 5697768), (6, 4748140), (8, 3561105), (10, 2848884), (12, 2374070), (15, 1899256), (20, 1424442), (24, 1187035), (30, 949628), (40, 712221), (60, 474814), (120, 237407), (199, 143160), (398, 71580), (597, 47720), (796, 35790), (995, 28632), (1193, 23880), (1194, 23860), (1592, 17895), (1990, 14316), (2386, 11940), (2388, 11930), (2985, 9544), (3579, 7960), (3980, 7158), (4772, 5970), (4776, 5965)]