81965400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{1129}}^1$

素因数の和:1170

約数の個数: 144

約数和(自身を含む): 279539400

約数和(自身を除く): 197574000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 25, 30, 33, 40, 44, 50, 55, 60, 66, 75, 88, 100, 110, 120, 121, 132, 150, 165, 200, 220, 242, 264, 275, 300, 330, 363, 440, 484, 550, 600, 605, 660, 726, 825, 968, 1100, 1129, 1210, 1320, 1452, 1650, 1815, 2200, 2258, 2420, 2904, 3025, 3300, 3387, 3630, 4516, 4840, 5645, 6050, 6600, 6774, 7260, 9032, 9075, 11290, 12100, 12419, 13548, 14520, 16935, 18150, 22580, 24200, 24838, 27096, 28225, 33870, 36300, 37257, 45160, 49676, 56450, 62095, 67740, 72600, 74514, 84675, 99352, 112900, 124190, 135480, 136609, 149028, 169350, 186285, 225800, 248380, 273218, 298056, 310475, 338700, 372570, 409827, 496760, 546436, 620950, 677400, 683045, 745140, 819654, 931425, 1092872, 1241900, 1366090, 1490280, 1639308, 1862850, 2049135, 2483800, 2732180, 3278616, 3415225, 3725700, 4098270, 5464360, 6830450, 7451400, 8196540, 10245675, 13660900, 16393080, 20491350, 27321800, 40982700, 81965400]

約数ペア:

[(1, 81965400), (2, 40982700), (3, 27321800), (4, 20491350), (5, 16393080), (6, 13660900), (8, 10245675), (10, 8196540), (11, 7451400), (12, 6830450), (15, 5464360), (20, 4098270), (22, 3725700), (24, 3415225), (25, 3278616), (30, 2732180), (33, 2483800), (40, 2049135), (44, 1862850), (50, 1639308), (55, 1490280), (60, 1366090), (66, 1241900), (75, 1092872), (88, 931425), (100, 819654), (110, 745140), (120, 683045), (121, 677400), (132, 620950), (150, 546436), (165, 496760), (200, 409827), (220, 372570), (242, 338700), (264, 310475), (275, 298056), (300, 273218), (330, 248380), (363, 225800), (440, 186285), (484, 169350), (550, 149028), (600, 136609), (605, 135480), (660, 124190), (726, 112900), (825, 99352), (968, 84675), (1100, 74514), (1129, 72600), (1210, 67740), (1320, 62095), (1452, 56450), (1650, 49676), (1815, 45160), (2200, 37257), (2258, 36300), (2420, 33870), (2904, 28225), (3025, 27096), (3300, 24838), (3387, 24200), (3630, 22580), (4516, 18150), (4840, 16935), (5645, 14520), (6050, 13548), (6600, 12419), (6774, 12100), (7260, 11290), (9032, 9075)]