287079375

素因数分解:

$3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:514

約数の個数: 80

約数和(自身を含む): 539827200

約数和(自身を除く): 252747825

約数列:

[1, 3, 5, 11, 15, 25, 31, 33, 55, 75, 93, 125, 155, 165, 275, 341, 375, 449, 465, 625, 775, 825, 1023, 1347, 1375, 1705, 1875, 2245, 2325, 3875, 4125, 4939, 5115, 6735, 6875, 8525, 11225, 11625, 13919, 14817, 19375, 20625, 24695, 25575, 33675, 41757, 42625, 56125, 58125, 69595, 74085, 123475, 127875, 153109, 168375, 208785, 213125, 280625, 347975, 370425, 459327, 617375, 639375, 765545, 841875, 1043925, 1739875, 1852125, 2296635, 3086875, 3827725, 5219625, 8699375, 9260625, 11483175, 19138625, 26098125, 57415875, 95693125, 287079375]

約数ペア:

[(1, 287079375), (3, 95693125), (5, 57415875), (11, 26098125), (15, 19138625), (25, 11483175), (31, 9260625), (33, 8699375), (55, 5219625), (75, 3827725), (93, 3086875), (125, 2296635), (155, 1852125), (165, 1739875), (275, 1043925), (341, 841875), (375, 765545), (449, 639375), (465, 617375), (625, 459327), (775, 370425), (825, 347975), (1023, 280625), (1347, 213125), (1375, 208785), (1705, 168375), (1875, 153109), (2245, 127875), (2325, 123475), (3875, 74085), (4125, 69595), (4939, 58125), (5115, 56125), (6735, 42625), (6875, 41757), (8525, 33675), (11225, 25575), (11625, 24695), (13919, 20625), (14817, 19375)]