72820640

素因数分解:

$2^5\times 5^1\times {\mathrm{463}}^1\times {\mathrm{983}}^1$

素因数の和:1461

約数の個数: 48

約数和(自身を含む): 172585728

約数和(自身を除く): 99765088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 463, 926, 983, 1852, 1966, 2315, 3704, 3932, 4630, 4915, 7408, 7864, 9260, 9830, 14816, 15728, 18520, 19660, 31456, 37040, 39320, 74080, 78640, 157280, 455129, 910258, 1820516, 2275645, 3641032, 4551290, 7282064, 9102580, 14564128, 18205160, 36410320, 72820640]

約数ペア:

[(1, 72820640), (2, 36410320), (4, 18205160), (5, 14564128), (8, 9102580), (10, 7282064), (16, 4551290), (20, 3641032), (32, 2275645), (40, 1820516), (80, 910258), (160, 455129), (463, 157280), (926, 78640), (983, 74080), (1852, 39320), (1966, 37040), (2315, 31456), (3704, 19660), (3932, 18520), (4630, 15728), (4915, 14816), (7408, 9830), (7864, 9260)]