216615280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{55259}}^1$

素因数の和:55286

約数の個数: 60

約数和(自身を含む): 585866520

約数和(自身を除く): 369251240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 55259, 110518, 221036, 276295, 386813, 442072, 552590, 773626, 884144, 1105180, 1547252, 1934065, 2210360, 2707691, 3094504, 3868130, 4420720, 5415382, 6189008, 7736260, 10830764, 13538455, 15472520, 21661528, 27076910, 30945040, 43323056, 54153820, 108307640, 216615280]

約数ペア:

[(1, 216615280), (2, 108307640), (4, 54153820), (5, 43323056), (7, 30945040), (8, 27076910), (10, 21661528), (14, 15472520), (16, 13538455), (20, 10830764), (28, 7736260), (35, 6189008), (40, 5415382), (49, 4420720), (56, 3868130), (70, 3094504), (80, 2707691), (98, 2210360), (112, 1934065), (140, 1547252), (196, 1105180), (245, 884144), (280, 773626), (392, 552590), (490, 442072), (560, 386813), (784, 276295), (980, 221036), (1960, 110518), (3920, 55259)]