15001000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{2143}}^1$

素因数の和:2171

約数の個数: 64

約数和(自身を含む): 40135680

約数和(自身を除く): 25134680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 2143, 3500, 4286, 7000, 8572, 10715, 15001, 17144, 21430, 30002, 42860, 53575, 60004, 75005, 85720, 107150, 120008, 150010, 214300, 267875, 300020, 375025, 428600, 535750, 600040, 750050, 1071500, 1500100, 1875125, 2143000, 3000200, 3750250, 7500500, 15001000]

約数ペア:

[(1, 15001000), (2, 7500500), (4, 3750250), (5, 3000200), (7, 2143000), (8, 1875125), (10, 1500100), (14, 1071500), (20, 750050), (25, 600040), (28, 535750), (35, 428600), (40, 375025), (50, 300020), (56, 267875), (70, 214300), (100, 150010), (125, 120008), (140, 107150), (175, 85720), (200, 75005), (250, 60004), (280, 53575), (350, 42860), (500, 30002), (700, 21430), (875, 17144), (1000, 15001), (1400, 10715), (1750, 8572), (2143, 7000), (3500, 4286)]