42728220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{237379}}^1$

素因数の和:237394

約数の個数: 36

約数和(自身を含む): 129609480

約数和(自身を除く): 86881260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 237379, 474758, 712137, 949516, 1186895, 1424274, 2136411, 2373790, 2848548, 3560685, 4272822, 4747580, 7121370, 8545644, 10682055, 14242740, 21364110, 42728220]

約数ペア:

[(1, 42728220), (2, 21364110), (3, 14242740), (4, 10682055), (5, 8545644), (6, 7121370), (9, 4747580), (10, 4272822), (12, 3560685), (15, 2848548), (18, 2373790), (20, 2136411), (30, 1424274), (36, 1186895), (45, 949516), (60, 712137), (90, 474758), (180, 237379)]