280591506

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:345

約数の個数: 128

約数和(自身を含む): 717024000

約数和(自身を除く): 436432494

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 38, 39, 54, 57, 78, 109, 114, 117, 171, 193, 218, 234, 247, 327, 342, 351, 386, 494, 513, 579, 654, 702, 741, 981, 1026, 1158, 1417, 1482, 1737, 1962, 2071, 2223, 2509, 2834, 2943, 3474, 3667, 4142, 4251, 4446, 5018, 5211, 5886, 6213, 6669, 7334, 7527, 8502, 10422, 11001, 12426, 12753, 13338, 15054, 18639, 21037, 22002, 22581, 25506, 26923, 33003, 37278, 38259, 42074, 45162, 47671, 53846, 55917, 63111, 66006, 67743, 76518, 80769, 95342, 99009, 111834, 126222, 135486, 143013, 161538, 189333, 198018, 242307, 273481, 286026, 378666, 399703, 429039, 484614, 546962, 567999, 726921, 799406, 820443, 858078, 1135998, 1199109, 1287117, 1453842, 1640886, 2398218, 2461329, 2574234, 3597327, 4922658, 5196139, 7194654, 7383987, 10392278, 10791981, 14767974, 15588417, 21583962, 31176834, 46765251, 93530502, 140295753, 280591506]

約数ペア:

[(1, 280591506), (2, 140295753), (3, 93530502), (6, 46765251), (9, 31176834), (13, 21583962), (18, 15588417), (19, 14767974), (26, 10791981), (27, 10392278), (38, 7383987), (39, 7194654), (54, 5196139), (57, 4922658), (78, 3597327), (109, 2574234), (114, 2461329), (117, 2398218), (171, 1640886), (193, 1453842), (218, 1287117), (234, 1199109), (247, 1135998), (327, 858078), (342, 820443), (351, 799406), (386, 726921), (494, 567999), (513, 546962), (579, 484614), (654, 429039), (702, 399703), (741, 378666), (981, 286026), (1026, 273481), (1158, 242307), (1417, 198018), (1482, 189333), (1737, 161538), (1962, 143013), (2071, 135486), (2223, 126222), (2509, 111834), (2834, 99009), (2943, 95342), (3474, 80769), (3667, 76518), (4142, 67743), (4251, 66006), (4446, 63111), (5018, 55917), (5211, 53846), (5886, 47671), (6213, 45162), (6669, 42074), (7334, 38259), (7527, 37278), (8502, 33003), (10422, 26923), (11001, 25506), (12426, 22581), (12753, 22002), (13338, 21037), (15054, 18639)]