240657340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^2$

素因数の和:200

約数の個数: 144

約数和(自身を含む): 659699712

約数和(自身を除く): 419042372

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 71, 77, 110, 124, 140, 142, 154, 155, 217, 220, 284, 308, 310, 341, 355, 385, 434, 497, 620, 682, 710, 770, 781, 868, 994, 1085, 1364, 1420, 1540, 1562, 1705, 1988, 2170, 2201, 2387, 2485, 3124, 3410, 3905, 4340, 4402, 4774, 4970, 5041, 5467, 6820, 7810, 8804, 9548, 9940, 10082, 10934, 11005, 11935, 15407, 15620, 20164, 21868, 22010, 23870, 24211, 25205, 27335, 30814, 35287, 44020, 47740, 48422, 50410, 54670, 55451, 61628, 70574, 77035, 96844, 100820, 109340, 110902, 121055, 141148, 154070, 156271, 169477, 176435, 221804, 242110, 277255, 308140, 312542, 338954, 352870, 388157, 484220, 554510, 625084, 677908, 705740, 776314, 781355, 847385, 1093897, 1109020, 1552628, 1562710, 1694770, 1718981, 1940785, 2187794, 3125420, 3389540, 3437962, 3881570, 4375588, 5469485, 6875924, 7763140, 8594905, 10938970, 12032867, 17189810, 21877940, 24065734, 34379620, 48131468, 60164335, 120328670, 240657340]

約数ペア:

[(1, 240657340), (2, 120328670), (4, 60164335), (5, 48131468), (7, 34379620), (10, 24065734), (11, 21877940), (14, 17189810), (20, 12032867), (22, 10938970), (28, 8594905), (31, 7763140), (35, 6875924), (44, 5469485), (55, 4375588), (62, 3881570), (70, 3437962), (71, 3389540), (77, 3125420), (110, 2187794), (124, 1940785), (140, 1718981), (142, 1694770), (154, 1562710), (155, 1552628), (217, 1109020), (220, 1093897), (284, 847385), (308, 781355), (310, 776314), (341, 705740), (355, 677908), (385, 625084), (434, 554510), (497, 484220), (620, 388157), (682, 352870), (710, 338954), (770, 312542), (781, 308140), (868, 277255), (994, 242110), (1085, 221804), (1364, 176435), (1420, 169477), (1540, 156271), (1562, 154070), (1705, 141148), (1988, 121055), (2170, 110902), (2201, 109340), (2387, 100820), (2485, 96844), (3124, 77035), (3410, 70574), (3905, 61628), (4340, 55451), (4402, 54670), (4774, 50410), (4970, 48422), (5041, 47740), (5467, 44020), (6820, 35287), (7810, 30814), (8804, 27335), (9548, 25205), (9940, 24211), (10082, 23870), (10934, 22010), (11005, 21868), (11935, 20164), (15407, 15620)]