270466980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{643969}}^1$

素因数の和:643988

約数の個数: 48

約数和(自身を含む): 865495680

約数和(自身を除く): 595028700

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, 643969, 1287938, 1931907, 2575876, 3219845, 3863814, 4507783, 6439690, 7727628, 9015566, 9659535, 12879380, 13523349, 18031132, 19319070, 22538915, 27046698, 38638140, 45077830, 54093396, 67616745, 90155660, 135233490, 270466980]

約数ペア:

[(1, 270466980), (2, 135233490), (3, 90155660), (4, 67616745), (5, 54093396), (6, 45077830), (7, 38638140), (10, 27046698), (12, 22538915), (14, 19319070), (15, 18031132), (20, 13523349), (21, 12879380), (28, 9659535), (30, 9015566), (35, 7727628), (42, 6439690), (60, 4507783), (70, 3863814), (84, 3219845), (105, 2575876), (140, 1931907), (210, 1287938), (420, 643969)]