989141040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{743}}^1$

素因数の和:848

約数の個数: 180

約数和(自身を含む): 3405491856

約数和(自身を除く): 2416350816

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, 743, 774, 860, 1032, 1290, 1486, 1548, 1720, 1849, 1935, 2064, 2229, 2580, 2972, 3096, 3440, 3698, 3715, 3870, 4458, 5160, 5547, 5944, 6192, 6687, 7396, 7430, 7740, 8916, 9245, 10320, 11094, 11145, 11888, 13374, 14792, 14860, 15480, 16641, 17832, 18490, 22188, 22290, 26748, 27735, 29584, 29720, 30960, 31949, 33282, 33435, 35664, 36980, 44376, 44580, 53496, 55470, 59440, 63898, 66564, 66870, 73960, 83205, 88752, 89160, 95847, 106992, 110940, 127796, 133128, 133740, 147920, 159745, 166410, 178320, 191694, 221880, 255592, 266256, 267480, 287541, 319490, 332820, 383388, 443760, 479235, 511184, 534960, 575082, 638980, 665640, 766776, 958470, 1150164, 1277960, 1331280, 1373807, 1437705, 1533552, 1916940, 2300328, 2555920, 2747614, 2875410, 3833880, 4121421, 4600656, 5495228, 5750820, 6869035, 7667760, 8242842, 10990456, 11501640, 12364263, 13738070, 16485684, 20607105, 21980912, 23003280, 24728526, 27476140, 32971368, 41214210, 49457052, 54952280, 61821315, 65942736, 82428420, 98914104, 109904560, 123642630, 164856840, 197828208, 247285260, 329713680, 494570520, 989141040]

約数ペア:

[(1, 989141040), (2, 494570520), (3, 329713680), (4, 247285260), (5, 197828208), (6, 164856840), (8, 123642630), (9, 109904560), (10, 98914104), (12, 82428420), (15, 65942736), (16, 61821315), (18, 54952280), (20, 49457052), (24, 41214210), (30, 32971368), (36, 27476140), (40, 24728526), (43, 23003280), (45, 21980912), (48, 20607105), (60, 16485684), (72, 13738070), (80, 12364263), (86, 11501640), (90, 10990456), (120, 8242842), (129, 7667760), (144, 6869035), (172, 5750820), (180, 5495228), (215, 4600656), (240, 4121421), (258, 3833880), (344, 2875410), (360, 2747614), (387, 2555920), (430, 2300328), (516, 1916940), (645, 1533552), (688, 1437705), (720, 1373807), (743, 1331280), (774, 1277960), (860, 1150164), (1032, 958470), (1290, 766776), (1486, 665640), (1548, 638980), (1720, 575082), (1849, 534960), (1935, 511184), (2064, 479235), (2229, 443760), (2580, 383388), (2972, 332820), (3096, 319490), (3440, 287541), (3698, 267480), (3715, 266256), (3870, 255592), (4458, 221880), (5160, 191694), (5547, 178320), (5944, 166410), (6192, 159745), (6687, 147920), (7396, 133740), (7430, 133128), (7740, 127796), (8916, 110940), (9245, 106992), (10320, 95847), (11094, 89160), (11145, 88752), (11888, 83205), (13374, 73960), (14792, 66870), (14860, 66564), (15480, 63898), (16641, 59440), (17832, 55470), (18490, 53496), (22188, 44580), (22290, 44376), (26748, 36980), (27735, 35664), (29584, 33435), (29720, 33282), (30960, 31949)]