489244480

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{331}}^1$

素因数の和:528

約数の個数: 112

約数和(自身を含む): 1214323200

約数和(自身を除く): 725078720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 149, 155, 160, 248, 298, 310, 320, 331, 496, 596, 620, 662, 745, 992, 1192, 1240, 1324, 1490, 1655, 1984, 2384, 2480, 2648, 2980, 3310, 4619, 4768, 4960, 5296, 5960, 6620, 9238, 9536, 9920, 10261, 10592, 11920, 13240, 18476, 20522, 21184, 23095, 23840, 26480, 36952, 41044, 46190, 47680, 49319, 51305, 52960, 73904, 82088, 92380, 98638, 102610, 105920, 147808, 164176, 184760, 197276, 205220, 246595, 295616, 328352, 369520, 394552, 410440, 493190, 656704, 739040, 789104, 820880, 986380, 1478080, 1528889, 1578208, 1641760, 1972760, 3057778, 3156416, 3283520, 3945520, 6115556, 7644445, 7891040, 12231112, 15288890, 15782080, 24462224, 30577780, 48924448, 61155560, 97848896, 122311120, 244622240, 489244480]

約数ペア:

[(1, 489244480), (2, 244622240), (4, 122311120), (5, 97848896), (8, 61155560), (10, 48924448), (16, 30577780), (20, 24462224), (31, 15782080), (32, 15288890), (40, 12231112), (62, 7891040), (64, 7644445), (80, 6115556), (124, 3945520), (149, 3283520), (155, 3156416), (160, 3057778), (248, 1972760), (298, 1641760), (310, 1578208), (320, 1528889), (331, 1478080), (496, 986380), (596, 820880), (620, 789104), (662, 739040), (745, 656704), (992, 493190), (1192, 410440), (1240, 394552), (1324, 369520), (1490, 328352), (1655, 295616), (1984, 246595), (2384, 205220), (2480, 197276), (2648, 184760), (2980, 164176), (3310, 147808), (4619, 105920), (4768, 102610), (4960, 98638), (5296, 92380), (5960, 82088), (6620, 73904), (9238, 52960), (9536, 51305), (9920, 49319), (10261, 47680), (10592, 46190), (11920, 41044), (13240, 36952), (18476, 26480), (20522, 23840), (21184, 23095)]