40638840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1811}}^1$

素因数の和:1853

約数の個数: 128

約数和(自身を含む): 140901120

約数和(自身を除く): 100262280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 132, 136, 165, 170, 187, 204, 220, 255, 264, 330, 340, 374, 408, 440, 510, 561, 660, 680, 748, 935, 1020, 1122, 1320, 1496, 1811, 1870, 2040, 2244, 2805, 3622, 3740, 4488, 5433, 5610, 7244, 7480, 9055, 10866, 11220, 14488, 18110, 19921, 21732, 22440, 27165, 30787, 36220, 39842, 43464, 54330, 59763, 61574, 72440, 79684, 92361, 99605, 108660, 119526, 123148, 153935, 159368, 184722, 199210, 217320, 239052, 246296, 298815, 307870, 338657, 369444, 398420, 461805, 478104, 597630, 615740, 677314, 738888, 796840, 923610, 1015971, 1195260, 1231480, 1354628, 1693285, 1847220, 2031942, 2390520, 2709256, 3386570, 3694440, 4063884, 5079855, 6773140, 8127768, 10159710, 13546280, 20319420, 40638840]

約数ペア:

[(1, 40638840), (2, 20319420), (3, 13546280), (4, 10159710), (5, 8127768), (6, 6773140), (8, 5079855), (10, 4063884), (11, 3694440), (12, 3386570), (15, 2709256), (17, 2390520), (20, 2031942), (22, 1847220), (24, 1693285), (30, 1354628), (33, 1231480), (34, 1195260), (40, 1015971), (44, 923610), (51, 796840), (55, 738888), (60, 677314), (66, 615740), (68, 597630), (85, 478104), (88, 461805), (102, 398420), (110, 369444), (120, 338657), (132, 307870), (136, 298815), (165, 246296), (170, 239052), (187, 217320), (204, 199210), (220, 184722), (255, 159368), (264, 153935), (330, 123148), (340, 119526), (374, 108660), (408, 99605), (440, 92361), (510, 79684), (561, 72440), (660, 61574), (680, 59763), (748, 54330), (935, 43464), (1020, 39842), (1122, 36220), (1320, 30787), (1496, 27165), (1811, 22440), (1870, 21732), (2040, 19921), (2244, 18110), (2805, 14488), (3622, 11220), (3740, 10866), (4488, 9055), (5433, 7480), (5610, 7244)]