81980250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1$

素因数の和:573

約数の個数: 128

約数和(自身を含む): 235422720

約数和(自身を除く): 153442470

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 25, 30, 33, 38, 50, 55, 57, 66, 75, 95, 110, 114, 125, 150, 165, 190, 209, 250, 275, 285, 330, 375, 418, 475, 523, 550, 570, 627, 750, 825, 950, 1045, 1046, 1254, 1375, 1425, 1569, 1650, 2090, 2375, 2615, 2750, 2850, 3135, 3138, 4125, 4750, 5225, 5230, 5753, 6270, 7125, 7845, 8250, 9937, 10450, 11506, 13075, 14250, 15675, 15690, 17259, 19874, 26125, 26150, 28765, 29811, 31350, 34518, 39225, 49685, 52250, 57530, 59622, 65375, 78375, 78450, 86295, 99370, 109307, 130750, 143825, 149055, 156750, 172590, 196125, 218614, 248425, 287650, 298110, 327921, 392250, 431475, 496850, 546535, 655842, 719125, 745275, 862950, 1093070, 1242125, 1438250, 1490550, 1639605, 2157375, 2484250, 2732675, 3279210, 3726375, 4314750, 5465350, 7452750, 8198025, 13663375, 16396050, 27326750, 40990125, 81980250]

約数ペア:

[(1, 81980250), (2, 40990125), (3, 27326750), (5, 16396050), (6, 13663375), (10, 8198025), (11, 7452750), (15, 5465350), (19, 4314750), (22, 3726375), (25, 3279210), (30, 2732675), (33, 2484250), (38, 2157375), (50, 1639605), (55, 1490550), (57, 1438250), (66, 1242125), (75, 1093070), (95, 862950), (110, 745275), (114, 719125), (125, 655842), (150, 546535), (165, 496850), (190, 431475), (209, 392250), (250, 327921), (275, 298110), (285, 287650), (330, 248425), (375, 218614), (418, 196125), (475, 172590), (523, 156750), (550, 149055), (570, 143825), (627, 130750), (750, 109307), (825, 99370), (950, 86295), (1045, 78450), (1046, 78375), (1254, 65375), (1375, 59622), (1425, 57530), (1569, 52250), (1650, 49685), (2090, 39225), (2375, 34518), (2615, 31350), (2750, 29811), (2850, 28765), (3135, 26150), (3138, 26125), (4125, 19874), (4750, 17259), (5225, 15690), (5230, 15675), (5753, 14250), (6270, 13075), (7125, 11506), (7845, 10450), (8250, 9937)]