12445909920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{8669}}^1$

素因数の和:9687

約数の個数: 144

約数和(自身を含む): 42519171240

約数和(自身を除く): 30073261320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 997, 1440, 1994, 2991, 3988, 4985, 5982, 7976, 8669, 8973, 9970, 11964, 14955, 15952, 17338, 17946, 19940, 23928, 26007, 29910, 31904, 34676, 35892, 39880, 43345, 44865, 47856, 52014, 59820, 69352, 71784, 78021, 79760, 86690, 89730, 95712, 104028, 119640, 130035, 138704, 143568, 156042, 159520, 173380, 179460, 208056, 239280, 260070, 277408, 287136, 312084, 346760, 358920, 390105, 416112, 478560, 520140, 624168, 693520, 717840, 780210, 832224, 1040280, 1248336, 1387040, 1435680, 1560420, 2080560, 2496672, 3120840, 4161120, 6241680, 8642993, 12483360, 17285986, 25928979, 34571972, 43214965, 51857958, 69143944, 77786937, 86429930, 103715916, 129644895, 138287888, 155573874, 172859860, 207431832, 259289790, 276575776, 311147748, 345719720, 388934685, 414863664, 518579580, 622295496, 691439440, 777869370, 829727328, 1037159160, 1244590992, 1382878880, 1555738740, 2074318320, 2489181984, 3111477480, 4148636640, 6222954960, 12445909920]

約数ペア:

[(1, 12445909920), (2, 6222954960), (3, 4148636640), (4, 3111477480), (5, 2489181984), (6, 2074318320), (8, 1555738740), (9, 1382878880), (10, 1244590992), (12, 1037159160), (15, 829727328), (16, 777869370), (18, 691439440), (20, 622295496), (24, 518579580), (30, 414863664), (32, 388934685), (36, 345719720), (40, 311147748), (45, 276575776), (48, 259289790), (60, 207431832), (72, 172859860), (80, 155573874), (90, 138287888), (96, 129644895), (120, 103715916), (144, 86429930), (160, 77786937), (180, 69143944), (240, 51857958), (288, 43214965), (360, 34571972), (480, 25928979), (720, 17285986), (997, 12483360), (1440, 8642993), (1994, 6241680), (2991, 4161120), (3988, 3120840), (4985, 2496672), (5982, 2080560), (7976, 1560420), (8669, 1435680), (8973, 1387040), (9970, 1248336), (11964, 1040280), (14955, 832224), (15952, 780210), (17338, 717840), (17946, 693520), (19940, 624168), (23928, 520140), (26007, 478560), (29910, 416112), (31904, 390105), (34676, 358920), (35892, 346760), (39880, 312084), (43345, 287136), (44865, 277408), (47856, 260070), (52014, 239280), (59820, 208056), (69352, 179460), (71784, 173380), (78021, 159520), (79760, 156042), (86690, 143568), (89730, 138704), (95712, 130035), (104028, 119640)]