153951560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2791}}^1$

素因数の和:3006

約数の個数: 64

約数和(自身を含む): 398027520

約数和(自身を除く): 244075960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 985, 1379, 1576, 1970, 2758, 2791, 3940, 5516, 5582, 6895, 7880, 11032, 11164, 13790, 13955, 19537, 22328, 27580, 27910, 39074, 55160, 55820, 78148, 97685, 111640, 156296, 195370, 390740, 549827, 781480, 1099654, 2199308, 2749135, 3848789, 4398616, 5498270, 7697578, 10996540, 15395156, 19243945, 21993080, 30790312, 38487890, 76975780, 153951560]

約数ペア:

[(1, 153951560), (2, 76975780), (4, 38487890), (5, 30790312), (7, 21993080), (8, 19243945), (10, 15395156), (14, 10996540), (20, 7697578), (28, 5498270), (35, 4398616), (40, 3848789), (56, 2749135), (70, 2199308), (140, 1099654), (197, 781480), (280, 549827), (394, 390740), (788, 195370), (985, 156296), (1379, 111640), (1576, 97685), (1970, 78148), (2758, 55820), (2791, 55160), (3940, 39074), (5516, 27910), (5582, 27580), (6895, 22328), (7880, 19537), (11032, 13955), (11164, 13790)]