81940500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:295

約数の個数: 144

約数和(自身を含む): 262342080

約数和(自身を除く): 180401580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 131, 139, 150, 180, 225, 250, 262, 278, 300, 375, 393, 417, 450, 500, 524, 556, 655, 695, 750, 786, 834, 900, 1125, 1179, 1251, 1310, 1390, 1500, 1572, 1668, 1965, 2085, 2250, 2358, 2502, 2620, 2780, 3275, 3475, 3930, 4170, 4500, 4716, 5004, 5895, 6255, 6550, 6950, 7860, 8340, 9825, 10425, 11790, 12510, 13100, 13900, 16375, 17375, 18209, 19650, 20850, 23580, 25020, 29475, 31275, 32750, 34750, 36418, 39300, 41700, 49125, 52125, 54627, 58950, 62550, 65500, 69500, 72836, 91045, 98250, 104250, 109254, 117900, 125100, 147375, 156375, 163881, 182090, 196500, 208500, 218508, 273135, 294750, 312750, 327762, 364180, 455225, 546270, 589500, 625500, 655524, 819405, 910450, 1092540, 1365675, 1638810, 1820900, 2276125, 2731350, 3277620, 4097025, 4552250, 5462700, 6828375, 8194050, 9104500, 13656750, 16388100, 20485125, 27313500, 40970250, 81940500]

約数ペア:

[(1, 81940500), (2, 40970250), (3, 27313500), (4, 20485125), (5, 16388100), (6, 13656750), (9, 9104500), (10, 8194050), (12, 6828375), (15, 5462700), (18, 4552250), (20, 4097025), (25, 3277620), (30, 2731350), (36, 2276125), (45, 1820900), (50, 1638810), (60, 1365675), (75, 1092540), (90, 910450), (100, 819405), (125, 655524), (131, 625500), (139, 589500), (150, 546270), (180, 455225), (225, 364180), (250, 327762), (262, 312750), (278, 294750), (300, 273135), (375, 218508), (393, 208500), (417, 196500), (450, 182090), (500, 163881), (524, 156375), (556, 147375), (655, 125100), (695, 117900), (750, 109254), (786, 104250), (834, 98250), (900, 91045), (1125, 72836), (1179, 69500), (1251, 65500), (1310, 62550), (1390, 58950), (1500, 54627), (1572, 52125), (1668, 49125), (1965, 41700), (2085, 39300), (2250, 36418), (2358, 34750), (2502, 32750), (2620, 31275), (2780, 29475), (3275, 25020), (3475, 23580), (3930, 20850), (4170, 19650), (4500, 18209), (4716, 17375), (5004, 16375), (5895, 13900), (6255, 13100), (6550, 12510), (6950, 11790), (7860, 10425), (8340, 9825)]