80807400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{44893}}^1$

素因数の和:44915

約数の個数: 72

約数和(自身を含む): 271384230

約数和(自身を除く): 190576830

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, 44893, 89786, 134679, 179572, 224465, 269358, 359144, 404037, 448930, 538716, 673395, 808074, 897860, 1077432, 1122325, 1346790, 1616148, 1795720, 2020185, 2244650, 2693580, 3232296, 3366975, 4040370, 4489300, 5387160, 6733950, 8080740, 8978600, 10100925, 13467900, 16161480, 20201850, 26935800, 40403700, 80807400]

約数ペア:

[(1, 80807400), (2, 40403700), (3, 26935800), (4, 20201850), (5, 16161480), (6, 13467900), (8, 10100925), (9, 8978600), (10, 8080740), (12, 6733950), (15, 5387160), (18, 4489300), (20, 4040370), (24, 3366975), (25, 3232296), (30, 2693580), (36, 2244650), (40, 2020185), (45, 1795720), (50, 1616148), (60, 1346790), (72, 1122325), (75, 1077432), (90, 897860), (100, 808074), (120, 673395), (150, 538716), (180, 448930), (200, 404037), (225, 359144), (300, 269358), (360, 224465), (450, 179572), (600, 134679), (900, 89786), (1800, 44893)]