71278560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{49499}}^1$

素因数の和:49520

約数の個数: 72

約数和(自身を含む): 243243000

約数和(自身を除く): 171964440

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, 1440, 49499, 98998, 148497, 197996, 247495, 296994, 395992, 445491, 494990, 593988, 742485, 791984, 890982, 989980, 1187976, 1484970, 1583968, 1781964, 1979960, 2227455, 2375952, 2969940, 3563928, 3959920, 4454910, 4751904, 5939880, 7127856, 7919840, 8909820, 11879760, 14255712, 17819640, 23759520, 35639280, 71278560]

約数ペア:

[(1, 71278560), (2, 35639280), (3, 23759520), (4, 17819640), (5, 14255712), (6, 11879760), (8, 8909820), (9, 7919840), (10, 7127856), (12, 5939880), (15, 4751904), (16, 4454910), (18, 3959920), (20, 3563928), (24, 2969940), (30, 2375952), (32, 2227455), (36, 1979960), (40, 1781964), (45, 1583968), (48, 1484970), (60, 1187976), (72, 989980), (80, 890982), (90, 791984), (96, 742485), (120, 593988), (144, 494990), (160, 445491), (180, 395992), (240, 296994), (288, 247495), (360, 197996), (480, 148497), (720, 98998), (1440, 49499)]