771108520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{607}}^1$

素因数の和:987

約数の個数: 128

約数和(自身を含む): 2145024000

約数和(自身を除く): 1373915480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 349, 364, 455, 520, 607, 698, 728, 910, 1214, 1396, 1745, 1820, 2428, 2443, 2792, 3035, 3490, 3640, 4249, 4537, 4856, 4886, 6070, 6980, 7891, 8498, 9074, 9772, 12140, 12215, 13960, 15782, 16996, 18148, 19544, 21245, 22685, 24280, 24430, 31564, 31759, 33992, 36296, 39455, 42490, 45370, 48860, 55237, 63128, 63518, 78910, 84980, 90740, 97720, 110474, 127036, 157820, 158795, 169960, 181480, 211843, 220948, 254072, 276185, 315640, 317590, 423686, 441896, 552370, 635180, 847372, 1059215, 1104740, 1270360, 1482901, 1694744, 2118430, 2209480, 2753959, 2965802, 4236860, 5507918, 5931604, 7414505, 8473720, 11015836, 11863208, 13769795, 14829010, 19277713, 22031672, 27539590, 29658020, 38555426, 55079180, 59316040, 77110852, 96388565, 110158360, 154221704, 192777130, 385554260, 771108520]

約数ペア:

[(1, 771108520), (2, 385554260), (4, 192777130), (5, 154221704), (7, 110158360), (8, 96388565), (10, 77110852), (13, 59316040), (14, 55079180), (20, 38555426), (26, 29658020), (28, 27539590), (35, 22031672), (40, 19277713), (52, 14829010), (56, 13769795), (65, 11863208), (70, 11015836), (91, 8473720), (104, 7414505), (130, 5931604), (140, 5507918), (182, 4236860), (260, 2965802), (280, 2753959), (349, 2209480), (364, 2118430), (455, 1694744), (520, 1482901), (607, 1270360), (698, 1104740), (728, 1059215), (910, 847372), (1214, 635180), (1396, 552370), (1745, 441896), (1820, 423686), (2428, 317590), (2443, 315640), (2792, 276185), (3035, 254072), (3490, 220948), (3640, 211843), (4249, 181480), (4537, 169960), (4856, 158795), (4886, 157820), (6070, 127036), (6980, 110474), (7891, 97720), (8498, 90740), (9074, 84980), (9772, 78910), (12140, 63518), (12215, 63128), (13960, 55237), (15782, 48860), (16996, 45370), (18148, 42490), (19544, 39455), (21245, 36296), (22685, 33992), (24280, 31759), (24430, 31564)]