81491250

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{701}}^1$

素因数の和:757

約数の個数: 80

約数和(自身を含む): 210532608

約数和(自身を除く): 129041358

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 31, 50, 62, 75, 93, 125, 150, 155, 186, 250, 310, 375, 465, 625, 701, 750, 775, 930, 1250, 1402, 1550, 1875, 2103, 2325, 3505, 3750, 3875, 4206, 4650, 7010, 7750, 10515, 11625, 17525, 19375, 21030, 21731, 23250, 35050, 38750, 43462, 52575, 58125, 65193, 87625, 105150, 108655, 116250, 130386, 175250, 217310, 262875, 325965, 438125, 525750, 543275, 651930, 876250, 1086550, 1314375, 1629825, 2628750, 2716375, 3259650, 5432750, 8149125, 13581875, 16298250, 27163750, 40745625, 81491250]

約数ペア:

[(1, 81491250), (2, 40745625), (3, 27163750), (5, 16298250), (6, 13581875), (10, 8149125), (15, 5432750), (25, 3259650), (30, 2716375), (31, 2628750), (50, 1629825), (62, 1314375), (75, 1086550), (93, 876250), (125, 651930), (150, 543275), (155, 525750), (186, 438125), (250, 325965), (310, 262875), (375, 217310), (465, 175250), (625, 130386), (701, 116250), (750, 108655), (775, 105150), (930, 87625), (1250, 65193), (1402, 58125), (1550, 52575), (1875, 43462), (2103, 38750), (2325, 35050), (3505, 23250), (3750, 21731), (3875, 21030), (4206, 19375), (4650, 17525), (7010, 11625), (7750, 10515)]