31802120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2143}}^1$

素因数の和:2214

約数の個数: 64

約数和(自身を含む): 83358720

約数和(自身を除く): 51556600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1484, 1855, 2120, 2143, 2968, 3710, 4286, 7420, 8572, 10715, 14840, 15001, 17144, 21430, 30002, 42860, 60004, 75005, 85720, 113579, 120008, 150010, 227158, 300020, 454316, 567895, 600040, 795053, 908632, 1135790, 1590106, 2271580, 3180212, 3975265, 4543160, 6360424, 7950530, 15901060, 31802120]

約数ペア:

[(1, 31802120), (2, 15901060), (4, 7950530), (5, 6360424), (7, 4543160), (8, 3975265), (10, 3180212), (14, 2271580), (20, 1590106), (28, 1135790), (35, 908632), (40, 795053), (53, 600040), (56, 567895), (70, 454316), (106, 300020), (140, 227158), (212, 150010), (265, 120008), (280, 113579), (371, 85720), (424, 75005), (530, 60004), (742, 42860), (1060, 30002), (1484, 21430), (1855, 17144), (2120, 15001), (2143, 14840), (2968, 10715), (3710, 8572), (4286, 7420)]