20116080

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:228

約数の個数: 160

約数和(自身を含む): 70828800

約数和(自身を除く): 50712720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 67, 72, 80, 90, 108, 120, 134, 135, 139, 144, 180, 201, 216, 240, 268, 270, 278, 335, 360, 402, 417, 432, 536, 540, 556, 603, 670, 695, 720, 804, 834, 1005, 1072, 1080, 1112, 1206, 1251, 1340, 1390, 1608, 1668, 1809, 2010, 2085, 2160, 2224, 2412, 2502, 2680, 2780, 3015, 3216, 3336, 3618, 3753, 4020, 4170, 4824, 5004, 5360, 5560, 6030, 6255, 6672, 7236, 7506, 8040, 8340, 9045, 9313, 9648, 10008, 11120, 12060, 12510, 14472, 15012, 16080, 16680, 18090, 18626, 18765, 20016, 24120, 25020, 27939, 28944, 30024, 33360, 36180, 37252, 37530, 46565, 48240, 50040, 55878, 60048, 72360, 74504, 75060, 83817, 93130, 100080, 111756, 139695, 144720, 149008, 150120, 167634, 186260, 223512, 251451, 279390, 300240, 335268, 372520, 419085, 447024, 502902, 558780, 670536, 745040, 838170, 1005804, 1117560, 1257255, 1341072, 1676340, 2011608, 2235120, 2514510, 3352680, 4023216, 5029020, 6705360, 10058040, 20116080]

約数ペア:

[(1, 20116080), (2, 10058040), (3, 6705360), (4, 5029020), (5, 4023216), (6, 3352680), (8, 2514510), (9, 2235120), (10, 2011608), (12, 1676340), (15, 1341072), (16, 1257255), (18, 1117560), (20, 1005804), (24, 838170), (27, 745040), (30, 670536), (36, 558780), (40, 502902), (45, 447024), (48, 419085), (54, 372520), (60, 335268), (67, 300240), (72, 279390), (80, 251451), (90, 223512), (108, 186260), (120, 167634), (134, 150120), (135, 149008), (139, 144720), (144, 139695), (180, 111756), (201, 100080), (216, 93130), (240, 83817), (268, 75060), (270, 74504), (278, 72360), (335, 60048), (360, 55878), (402, 50040), (417, 48240), (432, 46565), (536, 37530), (540, 37252), (556, 36180), (603, 33360), (670, 30024), (695, 28944), (720, 27939), (804, 25020), (834, 24120), (1005, 20016), (1072, 18765), (1080, 18626), (1112, 18090), (1206, 16680), (1251, 16080), (1340, 15012), (1390, 14472), (1608, 12510), (1668, 12060), (1809, 11120), (2010, 10008), (2085, 9648), (2160, 9313), (2224, 9045), (2412, 8340), (2502, 8040), (2680, 7506), (2780, 7236), (3015, 6672), (3216, 6255), (3336, 6030), (3618, 5560), (3753, 5360), (4020, 5004), (4170, 4824)]