155374520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{863}}^1$

素因数の和:1524

約数の個数: 64

約数和(自身を含む): 400619520

約数和(自身を除く): 245245000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 643, 863, 1286, 1726, 2572, 3215, 3452, 4315, 4501, 5144, 6041, 6430, 6904, 8630, 9002, 12082, 12860, 17260, 18004, 22505, 24164, 25720, 30205, 34520, 36008, 45010, 48328, 60410, 90020, 120820, 180040, 241640, 554909, 1109818, 2219636, 2774545, 3884363, 4439272, 5549090, 7768726, 11098180, 15537452, 19421815, 22196360, 31074904, 38843630, 77687260, 155374520]

約数ペア:

[(1, 155374520), (2, 77687260), (4, 38843630), (5, 31074904), (7, 22196360), (8, 19421815), (10, 15537452), (14, 11098180), (20, 7768726), (28, 5549090), (35, 4439272), (40, 3884363), (56, 2774545), (70, 2219636), (140, 1109818), (280, 554909), (643, 241640), (863, 180040), (1286, 120820), (1726, 90020), (2572, 60410), (3215, 48328), (3452, 45010), (4315, 36008), (4501, 34520), (5144, 30205), (6041, 25720), (6430, 24164), (6904, 22505), (8630, 18004), (9002, 17260), (12082, 12860)]