81279000

素因数分解:

$2^3\times 3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{821}}^1$

素因数の和:859

約数の個数: 192

約数和(自身を含む): 300062880

約数和(自身を除く): 218783880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 25, 30, 33, 36, 40, 44, 45, 50, 55, 60, 66, 72, 75, 88, 90, 99, 100, 110, 120, 125, 132, 150, 165, 180, 198, 200, 220, 225, 250, 264, 275, 300, 330, 360, 375, 396, 440, 450, 495, 500, 550, 600, 660, 750, 792, 821, 825, 900, 990, 1000, 1100, 1125, 1320, 1375, 1500, 1642, 1650, 1800, 1980, 2200, 2250, 2463, 2475, 2750, 3000, 3284, 3300, 3960, 4105, 4125, 4500, 4926, 4950, 5500, 6568, 6600, 7389, 8210, 8250, 9000, 9031, 9852, 9900, 11000, 12315, 12375, 14778, 16420, 16500, 18062, 19704, 19800, 20525, 24630, 24750, 27093, 29556, 32840, 33000, 36124, 36945, 41050, 45155, 49260, 49500, 54186, 59112, 61575, 72248, 73890, 81279, 82100, 90310, 98520, 99000, 102625, 108372, 123150, 135465, 147780, 162558, 164200, 180620, 184725, 205250, 216744, 225775, 246300, 270930, 295560, 307875, 325116, 361240, 369450, 406395, 410500, 451550, 492600, 541860, 615750, 650232, 677325, 738900, 812790, 821000, 903100, 923625, 1083720, 1128875, 1231500, 1354650, 1477800, 1625580, 1806200, 1847250, 2031975, 2257750, 2463000, 2709300, 3251160, 3386625, 3694500, 4063950, 4515500, 5418600, 6773250, 7389000, 8127900, 9031000, 10159875, 13546500, 16255800, 20319750, 27093000, 40639500, 81279000]

約数ペア:

[(1, 81279000), (2, 40639500), (3, 27093000), (4, 20319750), (5, 16255800), (6, 13546500), (8, 10159875), (9, 9031000), (10, 8127900), (11, 7389000), (12, 6773250), (15, 5418600), (18, 4515500), (20, 4063950), (22, 3694500), (24, 3386625), (25, 3251160), (30, 2709300), (33, 2463000), (36, 2257750), (40, 2031975), (44, 1847250), (45, 1806200), (50, 1625580), (55, 1477800), (60, 1354650), (66, 1231500), (72, 1128875), (75, 1083720), (88, 923625), (90, 903100), (99, 821000), (100, 812790), (110, 738900), (120, 677325), (125, 650232), (132, 615750), (150, 541860), (165, 492600), (180, 451550), (198, 410500), (200, 406395), (220, 369450), (225, 361240), (250, 325116), (264, 307875), (275, 295560), (300, 270930), (330, 246300), (360, 225775), (375, 216744), (396, 205250), (440, 184725), (450, 180620), (495, 164200), (500, 162558), (550, 147780), (600, 135465), (660, 123150), (750, 108372), (792, 102625), (821, 99000), (825, 98520), (900, 90310), (990, 82100), (1000, 81279), (1100, 73890), (1125, 72248), (1320, 61575), (1375, 59112), (1500, 54186), (1642, 49500), (1650, 49260), (1800, 45155), (1980, 41050), (2200, 36945), (2250, 36124), (2463, 33000), (2475, 32840), (2750, 29556), (3000, 27093), (3284, 24750), (3300, 24630), (3960, 20525), (4105, 19800), (4125, 19704), (4500, 18062), (4926, 16500), (4950, 16420), (5500, 14778), (6568, 12375), (6600, 12315), (7389, 11000), (8210, 9900), (8250, 9852), (9000, 9031)]