31333890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:232

約数の個数: 128

約数和(自身を含む): 93063168

約数和(自身を除く): 61729278

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 67, 70, 85, 102, 105, 119, 131, 134, 170, 201, 210, 238, 255, 262, 335, 357, 393, 402, 469, 510, 595, 655, 670, 714, 786, 917, 938, 1005, 1139, 1190, 1310, 1407, 1785, 1834, 1965, 2010, 2227, 2278, 2345, 2751, 2814, 3417, 3570, 3930, 4454, 4585, 4690, 5502, 5695, 6681, 6834, 7035, 7973, 8777, 9170, 11135, 11390, 13362, 13755, 14070, 15589, 15946, 17085, 17554, 22270, 23919, 26331, 27510, 31178, 33405, 34170, 39865, 43885, 46767, 47838, 52662, 61439, 66810, 77945, 79730, 87770, 93534, 119595, 122878, 131655, 149209, 155890, 184317, 233835, 239190, 263310, 298418, 307195, 368634, 447627, 467670, 614390, 746045, 895254, 921585, 1044463, 1492090, 1843170, 2088926, 2238135, 3133389, 4476270, 5222315, 6266778, 10444630, 15666945, 31333890]

約数ペア:

[(1, 31333890), (2, 15666945), (3, 10444630), (5, 6266778), (6, 5222315), (7, 4476270), (10, 3133389), (14, 2238135), (15, 2088926), (17, 1843170), (21, 1492090), (30, 1044463), (34, 921585), (35, 895254), (42, 746045), (51, 614390), (67, 467670), (70, 447627), (85, 368634), (102, 307195), (105, 298418), (119, 263310), (131, 239190), (134, 233835), (170, 184317), (201, 155890), (210, 149209), (238, 131655), (255, 122878), (262, 119595), (335, 93534), (357, 87770), (393, 79730), (402, 77945), (469, 66810), (510, 61439), (595, 52662), (655, 47838), (670, 46767), (714, 43885), (786, 39865), (917, 34170), (938, 33405), (1005, 31178), (1139, 27510), (1190, 26331), (1310, 23919), (1407, 22270), (1785, 17554), (1834, 17085), (1965, 15946), (2010, 15589), (2227, 14070), (2278, 13755), (2345, 13362), (2751, 11390), (2814, 11135), (3417, 9170), (3570, 8777), (3930, 7973), (4454, 7035), (4585, 6834), (4690, 6681), (5502, 5695)]