81863276.000000000

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:278

約数の個数: 144

約数和(自身を含む): 309757952

約数和(自身を除く): 208192652

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 60, 62, 67, 75, 93, 100, 124, 134, 150, 155, 163, 186, 201, 268, 300, 310, 326, 335, 372, 402, 465, 489, 620, 652, 670, 775, 804, 815, 930, 978, 1005, 1340, 1550, 1630, 1675, 1860, 1956, 2010, 2077, 2325, 2445, 3100, 3260, 3350, 4020, 4075, 4154, 4650, 4890, 5025, 5053, 6231, 6700, 8150, 8308, 9300, 9780, 10050, 10106, 10385, 10921, 12225, 12462, 15159, 16300, 20100, 20212, 20770, 21842, 24450, 24924, 25265, 30318, 31155, 32763, 41540, 43684, 48900, 50530, 51925, 54605, 60636, 62310, 65526, 75795, 101060, 103850, 109210, 124620, 126325, 131052, 151590, 155775, 163815, 207700, 218420, 252650, 273025, 303180, 311550, 327630, 338551, 378975, 505300, 546050, 623100, 655260, 677102, 757950, 819075, 1015653, 1092100, 1354204, 1515900, 1638150, 1692755, 2031306, 3276300, 3385510, 4062612, 5078265, 6771020, 8463775, 10156530, 16927550, 20313060, 25391325, 33855100, 50782650, 101565300]

約数ペア:

[(1, 101565300), (2, 50782650), (3, 33855100), (4, 25391325), (5, 20313060), (6, 16927550), (10, 10156530), (12, 8463775), (15, 6771020), (20, 5078265), (25, 4062612), (30, 3385510), (31, 3276300), (50, 2031306), (60, 1692755), (62, 1638150), (67, 1515900), (75, 1354204), (93, 1092100), (100, 1015653), (124, 819075), (134, 757950), (150, 677102), (155, 655260), (163, 623100), (186, 546050), (201, 505300), (268, 378975), (300, 338551), (310, 327630), (326, 311550), (335, 303180), (372, 273025), (402, 252650), (465, 218420), (489, 207700), (620, 163815), (652, 155775), (670, 151590), (775, 131052), (804, 126325), (815, 124620), (930, 109210), (978, 103850), (1005, 101060), (1340, 75795), (1550, 65526), (1630, 62310), (1675, 60636), (1860, 54605), (1956, 51925), (2010, 50530), (2077, 48900), (2325, 43684), (2445, 41540), (3100, 32763), (3260, 31155), (3350, 30318), (4020, 25265), (4075, 24924), (4154, 24450), (4650, 21842), (4890, 20770), (5025, 20212), (5053, 20100), (6231, 16300), (6700, 15159), (8150, 12462), (8308, 12225), (9300, 10921), (9780, 10385), (10050, 10106)]