1331280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^2$

素因数の和:105

約数の個数: 90

約数和(自身を含む): 4577274

約数和(自身を除く): 3245994

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 172, 180, 215, 240, 258, 344, 360, 387, 430, 516, 645, 688, 720, 774, 860, 1032, 1290, 1548, 1720, 1849, 1935, 2064, 2580, 3096, 3440, 3698, 3870, 5160, 5547, 6192, 7396, 7740, 9245, 10320, 11094, 14792, 15480, 16641, 18490, 22188, 27735, 29584, 30960, 33282, 36980, 44376, 55470, 66564, 73960, 83205, 88752, 110940, 133128, 147920, 166410, 221880, 266256, 332820, 443760, 665640, 1331280]

約数ペア:

[(1, 1331280), (2, 665640), (3, 443760), (4, 332820), (5, 266256), (6, 221880), (8, 166410), (9, 147920), (10, 133128), (12, 110940), (15, 88752), (16, 83205), (18, 73960), (20, 66564), (24, 55470), (30, 44376), (36, 36980), (40, 33282), (43, 30960), (45, 29584), (48, 27735), (60, 22188), (72, 18490), (80, 16641), (86, 15480), (90, 14792), (120, 11094), (129, 10320), (144, 9245), (172, 7740), (180, 7396), (215, 6192), (240, 5547), (258, 5160), (344, 3870), (360, 3698), (387, 3440), (430, 3096), (516, 2580), (645, 2064), (688, 1935), (720, 1849), (774, 1720), (860, 1548), (1032, 1290)]