71813610

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{251}}^1$

素因数の和:309

約数の個数: 144

約数和(自身を含む): 217238112

約数和(自身を除く): 145424502

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 17, 18, 22, 30, 33, 34, 45, 51, 55, 66, 85, 90, 99, 102, 110, 153, 165, 170, 187, 198, 251, 255, 289, 306, 330, 374, 495, 502, 510, 561, 578, 753, 765, 867, 935, 990, 1122, 1255, 1445, 1506, 1530, 1683, 1734, 1870, 2259, 2510, 2601, 2761, 2805, 2890, 3179, 3366, 3765, 4267, 4335, 4518, 5202, 5522, 5610, 6358, 7530, 8283, 8415, 8534, 8670, 9537, 11295, 12801, 13005, 13805, 15895, 16566, 16830, 19074, 21335, 22590, 24849, 25602, 26010, 27610, 28611, 31790, 38403, 41415, 42670, 46937, 47685, 49698, 57222, 64005, 72539, 76806, 82830, 93874, 95370, 124245, 128010, 140811, 143055, 145078, 192015, 217617, 234685, 248490, 281622, 286110, 362695, 384030, 422433, 435234, 469370, 652851, 704055, 725390, 797929, 844866, 1088085, 1305702, 1408110, 1595858, 2112165, 2176170, 2393787, 3264255, 3989645, 4224330, 4787574, 6528510, 7181361, 7979290, 11968935, 14362722, 23937870, 35906805, 71813610]

約数ペア:

[(1, 71813610), (2, 35906805), (3, 23937870), (5, 14362722), (6, 11968935), (9, 7979290), (10, 7181361), (11, 6528510), (15, 4787574), (17, 4224330), (18, 3989645), (22, 3264255), (30, 2393787), (33, 2176170), (34, 2112165), (45, 1595858), (51, 1408110), (55, 1305702), (66, 1088085), (85, 844866), (90, 797929), (99, 725390), (102, 704055), (110, 652851), (153, 469370), (165, 435234), (170, 422433), (187, 384030), (198, 362695), (251, 286110), (255, 281622), (289, 248490), (306, 234685), (330, 217617), (374, 192015), (495, 145078), (502, 143055), (510, 140811), (561, 128010), (578, 124245), (753, 95370), (765, 93874), (867, 82830), (935, 76806), (990, 72539), (1122, 64005), (1255, 57222), (1445, 49698), (1506, 47685), (1530, 46937), (1683, 42670), (1734, 41415), (1870, 38403), (2259, 31790), (2510, 28611), (2601, 27610), (2761, 26010), (2805, 25602), (2890, 24849), (3179, 22590), (3366, 21335), (3765, 19074), (4267, 16830), (4335, 16566), (4518, 15895), (5202, 13805), (5522, 13005), (5610, 12801), (6358, 11295), (7530, 9537), (8283, 8670), (8415, 8534)]