123761920

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3119}}^1$

素因数の和:3171

約数の個数: 72

約数和(自身を含む): 306109440

約数和(自身を除く): 182347520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3119, 3968, 4960, 6238, 7936, 9920, 12476, 15595, 19840, 24952, 31190, 39680, 49904, 62380, 96689, 99808, 124760, 193378, 199616, 249520, 386756, 399232, 483445, 499040, 773512, 798464, 966890, 998080, 1547024, 1933780, 1996160, 3094048, 3867560, 3992320, 6188096, 7735120, 12376192, 15470240, 24752384, 30940480, 61880960, 123761920]

約数ペア:

[(1, 123761920), (2, 61880960), (4, 30940480), (5, 24752384), (8, 15470240), (10, 12376192), (16, 7735120), (20, 6188096), (31, 3992320), (32, 3867560), (40, 3094048), (62, 1996160), (64, 1933780), (80, 1547024), (124, 998080), (128, 966890), (155, 798464), (160, 773512), (248, 499040), (256, 483445), (310, 399232), (320, 386756), (496, 249520), (620, 199616), (640, 193378), (992, 124760), (1240, 99808), (1280, 96689), (1984, 62380), (2480, 49904), (3119, 39680), (3968, 31190), (4960, 24952), (6238, 19840), (7936, 15595), (9920, 12476)]