1813378980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4317569}}^1$

素因数の和:4317588

約数の個数: 48

約数和(自身を含む): 5802814080

約数和(自身を除く): 3989435100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 4317569, 8635138, 12952707, 17270276, 21587845, 25905414, 30222983, 43175690, 51810828, 60445966, 64763535, 86351380, 90668949, 120891932, 129527070, 151114915, 181337898, 259054140, 302229830, 362675796, 453344745, 604459660, 906689490, 1813378980]

約数ペア:

[(1, 1813378980), (2, 906689490), (3, 604459660), (4, 453344745), (5, 362675796), (6, 302229830), (7, 259054140), (10, 181337898), (12, 151114915), (14, 129527070), (15, 120891932), (20, 90668949), (21, 86351380), (28, 64763535), (30, 60445966), (35, 51810828), (42, 43175690), (60, 30222983), (70, 25905414), (84, 21587845), (105, 17270276), (140, 12952707), (210, 8635138), (420, 4317569)]