81825480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20663}}^1$

素因数の和:20691

約数の個数: 96

約数和(自身を含む): 290122560

約数和(自身を除く): 208297080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 20663, 41326, 61989, 82652, 103315, 123978, 165304, 185967, 206630, 227293, 247956, 309945, 371934, 413260, 454586, 495912, 619890, 681879, 743868, 826520, 909172, 929835, 1136465, 1239780, 1363758, 1487736, 1818344, 1859670, 2045637, 2272930, 2479560, 2727516, 3409395, 3719340, 4091274, 4545860, 5455032, 6818790, 7438680, 8182548, 9091720, 10228185, 13637580, 16365096, 20456370, 27275160, 40912740, 81825480]

約数ペア:

[(1, 81825480), (2, 40912740), (3, 27275160), (4, 20456370), (5, 16365096), (6, 13637580), (8, 10228185), (9, 9091720), (10, 8182548), (11, 7438680), (12, 6818790), (15, 5455032), (18, 4545860), (20, 4091274), (22, 3719340), (24, 3409395), (30, 2727516), (33, 2479560), (36, 2272930), (40, 2045637), (44, 1859670), (45, 1818344), (55, 1487736), (60, 1363758), (66, 1239780), (72, 1136465), (88, 929835), (90, 909172), (99, 826520), (110, 743868), (120, 681879), (132, 619890), (165, 495912), (180, 454586), (198, 413260), (220, 371934), (264, 309945), (330, 247956), (360, 227293), (396, 206630), (440, 185967), (495, 165304), (660, 123978), (792, 103315), (990, 82652), (1320, 61989), (1980, 41326), (3960, 20663)]