1278750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1$

素因数の和:67

約数の個数: 80

約数和(自身を含む): 3598848

約数和(自身を除く): 2320098

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 31, 33, 50, 55, 62, 66, 75, 93, 110, 125, 150, 155, 165, 186, 250, 275, 310, 330, 341, 375, 465, 550, 625, 682, 750, 775, 825, 930, 1023, 1250, 1375, 1550, 1650, 1705, 1875, 2046, 2325, 2750, 3410, 3750, 3875, 4125, 4650, 5115, 6875, 7750, 8250, 8525, 10230, 11625, 13750, 17050, 19375, 20625, 23250, 25575, 38750, 41250, 42625, 51150, 58125, 85250, 116250, 127875, 213125, 255750, 426250, 639375, 1278750]

約数ペア:

[(1, 1278750), (2, 639375), (3, 426250), (5, 255750), (6, 213125), (10, 127875), (11, 116250), (15, 85250), (22, 58125), (25, 51150), (30, 42625), (31, 41250), (33, 38750), (50, 25575), (55, 23250), (62, 20625), (66, 19375), (75, 17050), (93, 13750), (110, 11625), (125, 10230), (150, 8525), (155, 8250), (165, 7750), (186, 6875), (250, 5115), (275, 4650), (310, 4125), (330, 3875), (341, 3750), (375, 3410), (465, 2750), (550, 2325), (625, 2046), (682, 1875), (750, 1705), (775, 1650), (825, 1550), (930, 1375), (1023, 1250)]