217720160

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{557}}^1$

素因数の和:928

約数の個数: 96

約数和(自身を含む): 590587200

約数和(自身を除く): 372867040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 349, 557, 560, 698, 1114, 1120, 1396, 1745, 2228, 2443, 2785, 2792, 3490, 3899, 4456, 4886, 5570, 5584, 6980, 7798, 8912, 9772, 11140, 11168, 12215, 13960, 15596, 17824, 19495, 19544, 22280, 24430, 27920, 31192, 38990, 39088, 44560, 48860, 55840, 62384, 77980, 78176, 89120, 97720, 124768, 155960, 194393, 195440, 311920, 388786, 390880, 623840, 777572, 971965, 1360751, 1555144, 1943930, 2721502, 3110288, 3887860, 5443004, 6220576, 6803755, 7775720, 10886008, 13607510, 15551440, 21772016, 27215020, 31102880, 43544032, 54430040, 108860080, 217720160]

約数ペア:

[(1, 217720160), (2, 108860080), (4, 54430040), (5, 43544032), (7, 31102880), (8, 27215020), (10, 21772016), (14, 15551440), (16, 13607510), (20, 10886008), (28, 7775720), (32, 6803755), (35, 6220576), (40, 5443004), (56, 3887860), (70, 3110288), (80, 2721502), (112, 1943930), (140, 1555144), (160, 1360751), (224, 971965), (280, 777572), (349, 623840), (557, 390880), (560, 388786), (698, 311920), (1114, 195440), (1120, 194393), (1396, 155960), (1745, 124768), (2228, 97720), (2443, 89120), (2785, 78176), (2792, 77980), (3490, 62384), (3899, 55840), (4456, 48860), (4886, 44560), (5570, 39088), (5584, 38990), (6980, 31192), (7798, 27920), (8912, 24430), (9772, 22280), (11140, 19544), (11168, 19495), (12215, 17824), (13960, 15596)]