81493500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{11}}^2\times {\mathrm{449}}^1$

素因数の和:493

約数の個数: 144

約数和(自身を含む): 261424800

約数和(自身を除く): 179931300

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 75, 100, 110, 121, 125, 132, 150, 165, 220, 242, 250, 275, 300, 330, 363, 375, 449, 484, 500, 550, 605, 660, 726, 750, 825, 898, 1100, 1210, 1347, 1375, 1452, 1500, 1650, 1796, 1815, 2245, 2420, 2694, 2750, 3025, 3300, 3630, 4125, 4490, 4939, 5388, 5500, 6050, 6735, 7260, 8250, 8980, 9075, 9878, 11225, 12100, 13470, 14817, 15125, 16500, 18150, 19756, 22450, 24695, 26940, 29634, 30250, 33675, 36300, 44900, 45375, 49390, 54329, 56125, 59268, 60500, 67350, 74085, 90750, 98780, 108658, 112250, 123475, 134700, 148170, 162987, 168375, 181500, 217316, 224500, 246950, 271645, 296340, 325974, 336750, 370425, 493900, 543290, 617375, 651948, 673500, 740850, 814935, 1086580, 1234750, 1358225, 1481700, 1629870, 1852125, 2469500, 2716450, 3259740, 3704250, 4074675, 5432900, 6791125, 7408500, 8149350, 13582250, 16298700, 20373375, 27164500, 40746750, 81493500]

約数ペア:

[(1, 81493500), (2, 40746750), (3, 27164500), (4, 20373375), (5, 16298700), (6, 13582250), (10, 8149350), (11, 7408500), (12, 6791125), (15, 5432900), (20, 4074675), (22, 3704250), (25, 3259740), (30, 2716450), (33, 2469500), (44, 1852125), (50, 1629870), (55, 1481700), (60, 1358225), (66, 1234750), (75, 1086580), (100, 814935), (110, 740850), (121, 673500), (125, 651948), (132, 617375), (150, 543290), (165, 493900), (220, 370425), (242, 336750), (250, 325974), (275, 296340), (300, 271645), (330, 246950), (363, 224500), (375, 217316), (449, 181500), (484, 168375), (500, 162987), (550, 148170), (605, 134700), (660, 123475), (726, 112250), (750, 108658), (825, 98780), (898, 90750), (1100, 74085), (1210, 67350), (1347, 60500), (1375, 59268), (1452, 56125), (1500, 54329), (1650, 49390), (1796, 45375), (1815, 44900), (2245, 36300), (2420, 33675), (2694, 30250), (2750, 29634), (3025, 26940), (3300, 24695), (3630, 22450), (4125, 19756), (4490, 18150), (4939, 16500), (5388, 15125), (5500, 14817), (6050, 13470), (6735, 12100), (7260, 11225), (8250, 9878), (8980, 9075)]