217765680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{82487}}^1$

素因数の和:82514

約数の個数: 80

約数和(自身を含む): 736452864

約数和(自身を除く): 518687184

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 82487, 164974, 247461, 329948, 412435, 494922, 659896, 824870, 907357, 989844, 1237305, 1319792, 1649740, 1814714, 1979688, 2474610, 2722071, 3299480, 3629428, 3959376, 4536785, 4949220, 5444142, 6598960, 7258856, 9073570, 9898440, 10888284, 13610355, 14517712, 18147140, 19796880, 21776568, 27220710, 36294280, 43553136, 54441420, 72588560, 108882840, 217765680]

約数ペア:

[(1, 217765680), (2, 108882840), (3, 72588560), (4, 54441420), (5, 43553136), (6, 36294280), (8, 27220710), (10, 21776568), (11, 19796880), (12, 18147140), (15, 14517712), (16, 13610355), (20, 10888284), (22, 9898440), (24, 9073570), (30, 7258856), (33, 6598960), (40, 5444142), (44, 4949220), (48, 4536785), (55, 3959376), (60, 3629428), (66, 3299480), (80, 2722071), (88, 2474610), (110, 1979688), (120, 1814714), (132, 1649740), (165, 1319792), (176, 1237305), (220, 989844), (240, 907357), (264, 824870), (330, 659896), (440, 494922), (528, 412435), (660, 329948), (880, 247461), (1320, 164974), (2640, 82487)]