42879720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27487}}^1$

素因数の和:27514

約数の個数: 64

約数和(自身を含む): 138539520

約数和(自身を除く): 95659800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 27487, 54974, 82461, 109948, 137435, 164922, 219896, 274870, 329844, 357331, 412305, 549740, 659688, 714662, 824610, 1071993, 1099480, 1429324, 1649220, 1786655, 2143986, 2858648, 3298440, 3573310, 4287972, 5359965, 7146620, 8575944, 10719930, 14293240, 21439860, 42879720]

約数ペア:

[(1, 42879720), (2, 21439860), (3, 14293240), (4, 10719930), (5, 8575944), (6, 7146620), (8, 5359965), (10, 4287972), (12, 3573310), (13, 3298440), (15, 2858648), (20, 2143986), (24, 1786655), (26, 1649220), (30, 1429324), (39, 1099480), (40, 1071993), (52, 824610), (60, 714662), (65, 659688), (78, 549740), (104, 412305), (120, 357331), (130, 329844), (156, 274870), (195, 219896), (260, 164922), (312, 137435), (390, 109948), (520, 82461), (780, 54974), (1560, 27487)]