691075980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{28867}}^1$

素因数の和:28908

約数の個数: 144

約数和(自身を含む): 2521908480

約数和(自身を除く): 1830832500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3990, 4788, 5985, 7980, 11970, 23940, 28867, 57734, 86601, 115468, 144335, 173202, 202069, 259803, 288670, 346404, 404138, 433005, 519606, 548473, 577340, 606207, 808276, 866010, 1010345, 1039212, 1096946, 1212414, 1299015, 1645419, 1732020, 1818621, 2020690, 2193892, 2424828, 2598030, 2742365, 3031035, 3290838, 3637242, 3839311, 4041380, 4936257, 5196060, 5484730, 6062070, 6581676, 7274484, 7678622, 8227095, 9093105, 9872514, 10969460, 11517933, 12124140, 15357244, 16454190, 18186210, 19196555, 19745028, 23035866, 24681285, 32908380, 34553799, 36372420, 38393110, 46071732, 49362570, 57589665, 69107598, 76786220, 98725140, 115179330, 138215196, 172768995, 230358660, 345537990, 691075980]

約数ペア:

[(1, 691075980), (2, 345537990), (3, 230358660), (4, 172768995), (5, 138215196), (6, 115179330), (7, 98725140), (9, 76786220), (10, 69107598), (12, 57589665), (14, 49362570), (15, 46071732), (18, 38393110), (19, 36372420), (20, 34553799), (21, 32908380), (28, 24681285), (30, 23035866), (35, 19745028), (36, 19196555), (38, 18186210), (42, 16454190), (45, 15357244), (57, 12124140), (60, 11517933), (63, 10969460), (70, 9872514), (76, 9093105), (84, 8227095), (90, 7678622), (95, 7274484), (105, 6581676), (114, 6062070), (126, 5484730), (133, 5196060), (140, 4936257), (171, 4041380), (180, 3839311), (190, 3637242), (210, 3290838), (228, 3031035), (252, 2742365), (266, 2598030), (285, 2424828), (315, 2193892), (342, 2020690), (380, 1818621), (399, 1732020), (420, 1645419), (532, 1299015), (570, 1212414), (630, 1096946), (665, 1039212), (684, 1010345), (798, 866010), (855, 808276), (1140, 606207), (1197, 577340), (1260, 548473), (1330, 519606), (1596, 433005), (1710, 404138), (1995, 346404), (2394, 288670), (2660, 259803), (3420, 202069), (3990, 173202), (4788, 144335), (5985, 115468), (7980, 86601), (11970, 57734), (23940, 28867)]