78960720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10613}}^1$

素因数の和:10660

約数の個数: 80

約数和(自身を含む): 252698112

約数和(自身を除く): 173737392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 10613, 21226, 31839, 42452, 53065, 63678, 84904, 106130, 127356, 159195, 169808, 212260, 254712, 318390, 329003, 424520, 509424, 636780, 658006, 849040, 987009, 1273560, 1316012, 1645015, 1974018, 2547120, 2632024, 3290030, 3948036, 4935045, 5264048, 6580060, 7896072, 9870090, 13160120, 15792144, 19740180, 26320240, 39480360, 78960720]

約数ペア:

[(1, 78960720), (2, 39480360), (3, 26320240), (4, 19740180), (5, 15792144), (6, 13160120), (8, 9870090), (10, 7896072), (12, 6580060), (15, 5264048), (16, 4935045), (20, 3948036), (24, 3290030), (30, 2632024), (31, 2547120), (40, 1974018), (48, 1645015), (60, 1316012), (62, 1273560), (80, 987009), (93, 849040), (120, 658006), (124, 636780), (155, 509424), (186, 424520), (240, 329003), (248, 318390), (310, 254712), (372, 212260), (465, 169808), (496, 159195), (620, 127356), (744, 106130), (930, 84904), (1240, 63678), (1488, 53065), (1860, 42452), (2480, 31839), (3720, 21226), (7440, 10613)]