986581120

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{631}}^1$

素因数の和:1006

約数の個数: 128

約数和(自身を含む): 2707488000

約数和(自身を除く): 1720906880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 349, 448, 560, 631, 640, 698, 896, 1120, 1262, 1396, 1745, 2240, 2443, 2524, 2792, 3155, 3490, 4417, 4480, 4886, 5048, 5584, 6310, 6980, 8834, 9772, 10096, 11168, 12215, 12620, 13960, 17668, 19544, 20192, 22085, 22336, 24430, 25240, 27920, 35336, 39088, 40384, 44170, 44672, 48860, 50480, 55840, 70672, 78176, 80768, 88340, 97720, 100960, 111680, 141344, 156352, 176680, 195440, 201920, 220219, 223360, 282688, 312704, 353360, 390880, 403840, 440438, 565376, 706720, 781760, 880876, 1101095, 1413440, 1541533, 1563520, 1761752, 2202190, 2826880, 3083066, 3523504, 4404380, 6166132, 7047008, 7707665, 8808760, 12332264, 14094016, 15415330, 17617520, 24664528, 28188032, 30830660, 35235040, 49329056, 61661320, 70470080, 98658112, 123322640, 140940160, 197316224, 246645280, 493290560, 986581120]

約数ペア:

[(1, 986581120), (2, 493290560), (4, 246645280), (5, 197316224), (7, 140940160), (8, 123322640), (10, 98658112), (14, 70470080), (16, 61661320), (20, 49329056), (28, 35235040), (32, 30830660), (35, 28188032), (40, 24664528), (56, 17617520), (64, 15415330), (70, 14094016), (80, 12332264), (112, 8808760), (128, 7707665), (140, 7047008), (160, 6166132), (224, 4404380), (280, 3523504), (320, 3083066), (349, 2826880), (448, 2202190), (560, 1761752), (631, 1563520), (640, 1541533), (698, 1413440), (896, 1101095), (1120, 880876), (1262, 781760), (1396, 706720), (1745, 565376), (2240, 440438), (2443, 403840), (2524, 390880), (2792, 353360), (3155, 312704), (3490, 282688), (4417, 223360), (4480, 220219), (4886, 201920), (5048, 195440), (5584, 176680), (6310, 156352), (6980, 141344), (8834, 111680), (9772, 100960), (10096, 97720), (11168, 88340), (12215, 80768), (12620, 78176), (13960, 70672), (17668, 55840), (19544, 50480), (20192, 48860), (22085, 44672), (22336, 44170), (24430, 40384), (25240, 39088), (27920, 35336)]