81505800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{45281}}^1$

素因数の和:45303

約数の個数: 72

約数和(自身を含む): 273729690

約数和(自身を除く): 192223890

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 45281, 90562, 135843, 181124, 226405, 271686, 362248, 407529, 452810, 543372, 679215, 815058, 905620, 1086744, 1132025, 1358430, 1630116, 1811240, 2037645, 2264050, 2716860, 3260232, 3396075, 4075290, 4528100, 5433720, 6792150, 8150580, 9056200, 10188225, 13584300, 16301160, 20376450, 27168600, 40752900, 81505800]

約数ペア:

[(1, 81505800), (2, 40752900), (3, 27168600), (4, 20376450), (5, 16301160), (6, 13584300), (8, 10188225), (9, 9056200), (10, 8150580), (12, 6792150), (15, 5433720), (18, 4528100), (20, 4075290), (24, 3396075), (25, 3260232), (30, 2716860), (36, 2264050), (40, 2037645), (45, 1811240), (50, 1630116), (60, 1358430), (72, 1132025), (75, 1086744), (90, 905620), (100, 815058), (120, 679215), (150, 543372), (180, 452810), (200, 407529), (225, 362248), (300, 271686), (360, 226405), (450, 181124), (600, 135843), (900, 90562), (1800, 45281)]