31198860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2251}}^1$

素因数の和:2284

約数の個数: 144

約数和(自身を含む): 118040832

約数和(自身を除く): 86841972

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1540, 1980, 2251, 2310, 2772, 3465, 4502, 4620, 6753, 6930, 9004, 11255, 13506, 13860, 15757, 20259, 22510, 24761, 27012, 31514, 33765, 40518, 45020, 47271, 49522, 63028, 67530, 74283, 78785, 81036, 94542, 99044, 101295, 123805, 135060, 141813, 148566, 157570, 173327, 189084, 202590, 222849, 236355, 247610, 283626, 297132, 315140, 346654, 371415, 405180, 445698, 472710, 495220, 519981, 567252, 693308, 709065, 742830, 866635, 891396, 945420, 1039962, 1114245, 1418130, 1485660, 1559943, 1733270, 2079924, 2228490, 2599905, 2836260, 3119886, 3466540, 4456980, 5199810, 6239772, 7799715, 10399620, 15599430, 31198860]

約数ペア:

[(1, 31198860), (2, 15599430), (3, 10399620), (4, 7799715), (5, 6239772), (6, 5199810), (7, 4456980), (9, 3466540), (10, 3119886), (11, 2836260), (12, 2599905), (14, 2228490), (15, 2079924), (18, 1733270), (20, 1559943), (21, 1485660), (22, 1418130), (28, 1114245), (30, 1039962), (33, 945420), (35, 891396), (36, 866635), (42, 742830), (44, 709065), (45, 693308), (55, 567252), (60, 519981), (63, 495220), (66, 472710), (70, 445698), (77, 405180), (84, 371415), (90, 346654), (99, 315140), (105, 297132), (110, 283626), (126, 247610), (132, 236355), (140, 222849), (154, 202590), (165, 189084), (180, 173327), (198, 157570), (210, 148566), (220, 141813), (231, 135060), (252, 123805), (308, 101295), (315, 99044), (330, 94542), (385, 81036), (396, 78785), (420, 74283), (462, 67530), (495, 63028), (630, 49522), (660, 47271), (693, 45020), (770, 40518), (924, 33765), (990, 31514), (1155, 27012), (1260, 24761), (1386, 22510), (1540, 20259), (1980, 15757), (2251, 13860), (2310, 13506), (2772, 11255), (3465, 9004), (4502, 6930), (4620, 6753)]