21601080

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:195

約数の個数: 160

約数和(自身を含む): 74487600

約数和(自身を除く): 52886520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 59, 60, 72, 81, 90, 108, 113, 118, 120, 135, 162, 177, 180, 216, 226, 236, 270, 295, 324, 339, 354, 360, 405, 452, 472, 531, 540, 565, 590, 648, 678, 708, 810, 885, 904, 1017, 1062, 1080, 1130, 1180, 1356, 1416, 1593, 1620, 1695, 1770, 2034, 2124, 2260, 2360, 2655, 2712, 3051, 3186, 3240, 3390, 3540, 4068, 4248, 4520, 4779, 5085, 5310, 6102, 6372, 6667, 6780, 7080, 7965, 8136, 9153, 9558, 10170, 10620, 12204, 12744, 13334, 13560, 15255, 15930, 18306, 19116, 20001, 20340, 21240, 23895, 24408, 26668, 30510, 31860, 33335, 36612, 38232, 40002, 40680, 45765, 47790, 53336, 60003, 61020, 63720, 66670, 73224, 80004, 91530, 95580, 100005, 120006, 122040, 133340, 160008, 180009, 183060, 191160, 200010, 240012, 266680, 300015, 360018, 366120, 400020, 480024, 540027, 600030, 720036, 800040, 900045, 1080054, 1200060, 1440072, 1800090, 2160108, 2400120, 2700135, 3600180, 4320216, 5400270, 7200360, 10800540, 21601080]

約数ペア:

[(1, 21601080), (2, 10800540), (3, 7200360), (4, 5400270), (5, 4320216), (6, 3600180), (8, 2700135), (9, 2400120), (10, 2160108), (12, 1800090), (15, 1440072), (18, 1200060), (20, 1080054), (24, 900045), (27, 800040), (30, 720036), (36, 600030), (40, 540027), (45, 480024), (54, 400020), (59, 366120), (60, 360018), (72, 300015), (81, 266680), (90, 240012), (108, 200010), (113, 191160), (118, 183060), (120, 180009), (135, 160008), (162, 133340), (177, 122040), (180, 120006), (216, 100005), (226, 95580), (236, 91530), (270, 80004), (295, 73224), (324, 66670), (339, 63720), (354, 61020), (360, 60003), (405, 53336), (452, 47790), (472, 45765), (531, 40680), (540, 40002), (565, 38232), (590, 36612), (648, 33335), (678, 31860), (708, 30510), (810, 26668), (885, 24408), (904, 23895), (1017, 21240), (1062, 20340), (1080, 20001), (1130, 19116), (1180, 18306), (1356, 15930), (1416, 15255), (1593, 13560), (1620, 13334), (1695, 12744), (1770, 12204), (2034, 10620), (2124, 10170), (2260, 9558), (2360, 9153), (2655, 8136), (2712, 7965), (3051, 7080), (3186, 6780), (3240, 6667), (3390, 6372), (3540, 6102), (4068, 5310), (4248, 5085), (4520, 4779)]