81412020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1409}}^1$

素因数の和:1534

約数の個数: 96

約数和(自身を含む): 255830400

約数和(自身を除く): 174418380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 107, 108, 135, 180, 214, 270, 321, 428, 535, 540, 642, 963, 1070, 1284, 1409, 1605, 1926, 2140, 2818, 2889, 3210, 3852, 4227, 4815, 5636, 5778, 6420, 7045, 8454, 9630, 11556, 12681, 14090, 14445, 16908, 19260, 21135, 25362, 28180, 28890, 38043, 42270, 50724, 57780, 63405, 76086, 84540, 126810, 150763, 152172, 190215, 253620, 301526, 380430, 452289, 603052, 753815, 760860, 904578, 1356867, 1507630, 1809156, 2261445, 2713734, 3015260, 4070601, 4522890, 5427468, 6784335, 8141202, 9045780, 13568670, 16282404, 20353005, 27137340, 40706010, 81412020]

約数ペア:

[(1, 81412020), (2, 40706010), (3, 27137340), (4, 20353005), (5, 16282404), (6, 13568670), (9, 9045780), (10, 8141202), (12, 6784335), (15, 5427468), (18, 4522890), (20, 4070601), (27, 3015260), (30, 2713734), (36, 2261445), (45, 1809156), (54, 1507630), (60, 1356867), (90, 904578), (107, 760860), (108, 753815), (135, 603052), (180, 452289), (214, 380430), (270, 301526), (321, 253620), (428, 190215), (535, 152172), (540, 150763), (642, 126810), (963, 84540), (1070, 76086), (1284, 63405), (1409, 57780), (1605, 50724), (1926, 42270), (2140, 38043), (2818, 28890), (2889, 28180), (3210, 25362), (3852, 21135), (4227, 19260), (4815, 16908), (5636, 14445), (5778, 14090), (6420, 12681), (7045, 11556), (8454, 9630)]