256687440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{34501}}^1$

素因数の和:34548

約数の個数: 80

約数和(自身を含む): 821423616

約数和(自身を除く): 564736176

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, 34501, 69002, 103503, 138004, 172505, 207006, 276008, 345010, 414012, 517515, 552016, 690020, 828024, 1035030, 1069531, 1380040, 1656048, 2070060, 2139062, 2760080, 3208593, 4140120, 4278124, 5347655, 6417186, 8280240, 8556248, 10695310, 12834372, 16042965, 17112496, 21390620, 25668744, 32085930, 42781240, 51337488, 64171860, 85562480, 128343720, 256687440]

約数ペア:

[(1, 256687440), (2, 128343720), (3, 85562480), (4, 64171860), (5, 51337488), (6, 42781240), (8, 32085930), (10, 25668744), (12, 21390620), (15, 17112496), (16, 16042965), (20, 12834372), (24, 10695310), (30, 8556248), (31, 8280240), (40, 6417186), (48, 5347655), (60, 4278124), (62, 4140120), (80, 3208593), (93, 2760080), (120, 2139062), (124, 2070060), (155, 1656048), (186, 1380040), (240, 1069531), (248, 1035030), (310, 828024), (372, 690020), (465, 552016), (496, 517515), (620, 414012), (744, 345010), (930, 276008), (1240, 207006), (1488, 172505), (1860, 138004), (2480, 103503), (3720, 69002), (7440, 34501)]