420720160

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{375643}}^1$

素因数の和:375665

約数の個数: 48

約数和(自身を含む): 1135947456

約数和(自身を除く): 715227296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 375643, 751286, 1502572, 1878215, 2629501, 3005144, 3756430, 5259002, 6010288, 7512860, 10518004, 12020576, 13147505, 15025720, 21036008, 26295010, 30051440, 42072016, 52590020, 60102880, 84144032, 105180040, 210360080, 420720160]

約数ペア:

[(1, 420720160), (2, 210360080), (4, 105180040), (5, 84144032), (7, 60102880), (8, 52590020), (10, 42072016), (14, 30051440), (16, 26295010), (20, 21036008), (28, 15025720), (32, 13147505), (35, 12020576), (40, 10518004), (56, 7512860), (70, 6010288), (80, 5259002), (112, 3756430), (140, 3005144), (160, 2629501), (224, 1878215), (280, 1502572), (560, 751286), (1120, 375643)]