307121640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2791}}^1$

素因数の和:2943

約数の個数: 128

約数和(自身を含む): 1061406720

約数和(自身を除く): 754285080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 131, 140, 168, 210, 262, 280, 393, 420, 524, 655, 786, 840, 917, 1048, 1310, 1572, 1834, 1965, 2620, 2751, 2791, 3144, 3668, 3930, 4585, 5240, 5502, 5582, 7336, 7860, 8373, 9170, 11004, 11164, 13755, 13955, 15720, 16746, 18340, 19537, 22008, 22328, 27510, 27910, 33492, 36680, 39074, 41865, 55020, 55820, 58611, 66984, 78148, 83730, 97685, 110040, 111640, 117222, 156296, 167460, 195370, 234444, 293055, 334920, 365621, 390740, 468888, 586110, 731242, 781480, 1096863, 1172220, 1462484, 1828105, 2193726, 2344440, 2559347, 2924968, 3656210, 4387452, 5118694, 5484315, 7312420, 7678041, 8774904, 10237388, 10968630, 12796735, 14624840, 15356082, 20474776, 21937260, 25593470, 30712164, 38390205, 43874520, 51186940, 61424328, 76780410, 102373880, 153560820, 307121640]

約数ペア:

[(1, 307121640), (2, 153560820), (3, 102373880), (4, 76780410), (5, 61424328), (6, 51186940), (7, 43874520), (8, 38390205), (10, 30712164), (12, 25593470), (14, 21937260), (15, 20474776), (20, 15356082), (21, 14624840), (24, 12796735), (28, 10968630), (30, 10237388), (35, 8774904), (40, 7678041), (42, 7312420), (56, 5484315), (60, 5118694), (70, 4387452), (84, 3656210), (105, 2924968), (120, 2559347), (131, 2344440), (140, 2193726), (168, 1828105), (210, 1462484), (262, 1172220), (280, 1096863), (393, 781480), (420, 731242), (524, 586110), (655, 468888), (786, 390740), (840, 365621), (917, 334920), (1048, 293055), (1310, 234444), (1572, 195370), (1834, 167460), (1965, 156296), (2620, 117222), (2751, 111640), (2791, 110040), (3144, 97685), (3668, 83730), (3930, 78148), (4585, 66984), (5240, 58611), (5502, 55820), (5582, 55020), (7336, 41865), (7860, 39074), (8373, 36680), (9170, 33492), (11004, 27910), (11164, 27510), (13755, 22328), (13955, 22008), (15720, 19537), (16746, 18340)]