68137020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3181}}^1$

素因数の和:3220

約数の個数: 144

約数和(自身を含む): 250181568

約数和(自身を除く): 182044548

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3181, 3570, 4284, 5355, 6362, 7140, 9543, 10710, 12724, 15905, 19086, 21420, 22267, 28629, 31810, 38172, 44534, 47715, 54077, 57258, 63620, 66801, 89068, 95430, 108154, 111335, 114516, 133602, 143145, 162231, 190860, 200403, 216308, 222670, 267204, 270385, 286290, 324462, 334005, 378539, 400806, 445340, 486693, 540770, 572580, 648924, 668010, 757078, 801612, 811155, 973386, 1002015, 1081540, 1135617, 1336020, 1514156, 1622310, 1892695, 1946772, 2004030, 2271234, 2433465, 3244620, 3406851, 3785390, 4008060, 4542468, 4866930, 5678085, 6813702, 7570780, 9733860, 11356170, 13627404, 17034255, 22712340, 34068510, 68137020]

約数ペア:

[(1, 68137020), (2, 34068510), (3, 22712340), (4, 17034255), (5, 13627404), (6, 11356170), (7, 9733860), (9, 7570780), (10, 6813702), (12, 5678085), (14, 4866930), (15, 4542468), (17, 4008060), (18, 3785390), (20, 3406851), (21, 3244620), (28, 2433465), (30, 2271234), (34, 2004030), (35, 1946772), (36, 1892695), (42, 1622310), (45, 1514156), (51, 1336020), (60, 1135617), (63, 1081540), (68, 1002015), (70, 973386), (84, 811155), (85, 801612), (90, 757078), (102, 668010), (105, 648924), (119, 572580), (126, 540770), (140, 486693), (153, 445340), (170, 400806), (180, 378539), (204, 334005), (210, 324462), (238, 286290), (252, 270385), (255, 267204), (306, 222670), (315, 216308), (340, 200403), (357, 190860), (420, 162231), (476, 143145), (510, 133602), (595, 114516), (612, 111335), (630, 108154), (714, 95430), (765, 89068), (1020, 66801), (1071, 63620), (1190, 57258), (1260, 54077), (1428, 47715), (1530, 44534), (1785, 38172), (2142, 31810), (2380, 28629), (3060, 22267), (3181, 21420), (3570, 19086), (4284, 15905), (5355, 12724), (6362, 10710), (7140, 9543)]