81438600

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{135731}}^1$

素因数の和:135750

約数の個数: 48

約数和(自身を含む): 252461520

約数和(自身を除く): 171022920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200, 300, 600, 135731, 271462, 407193, 542924, 678655, 814386, 1085848, 1357310, 1628772, 2035965, 2714620, 3257544, 3393275, 4071930, 5429240, 6786550, 8143860, 10179825, 13573100, 16287720, 20359650, 27146200, 40719300, 81438600]

約数ペア:

[(1, 81438600), (2, 40719300), (3, 27146200), (4, 20359650), (5, 16287720), (6, 13573100), (8, 10179825), (10, 8143860), (12, 6786550), (15, 5429240), (20, 4071930), (24, 3393275), (25, 3257544), (30, 2714620), (40, 2035965), (50, 1628772), (60, 1357310), (75, 1085848), (100, 814386), (120, 678655), (150, 542924), (200, 407193), (300, 271462), (600, 135731)]