72522940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1721}}^1$

素因数の和:1787

約数の個数: 72

約数和(自身を含む): 181388592

約数和(自身を除く): 108865652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1505, 1721, 2107, 3010, 3442, 4214, 6020, 6884, 8428, 8605, 10535, 12047, 17210, 21070, 24094, 34420, 42140, 48188, 60235, 74003, 84329, 120470, 148006, 168658, 240940, 296012, 337316, 370015, 421645, 518021, 740030, 843290, 1036042, 1480060, 1686580, 2072084, 2590105, 3626147, 5180210, 7252294, 10360420, 14504588, 18130735, 36261470, 72522940]

約数ペア:

[(1, 72522940), (2, 36261470), (4, 18130735), (5, 14504588), (7, 10360420), (10, 7252294), (14, 5180210), (20, 3626147), (28, 2590105), (35, 2072084), (43, 1686580), (49, 1480060), (70, 1036042), (86, 843290), (98, 740030), (140, 518021), (172, 421645), (196, 370015), (215, 337316), (245, 296012), (301, 240940), (430, 168658), (490, 148006), (602, 120470), (860, 84329), (980, 74003), (1204, 60235), (1505, 48188), (1721, 42140), (2107, 34420), (3010, 24094), (3442, 21070), (4214, 17210), (6020, 12047), (6884, 10535), (8428, 8605)]