18631620

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:112

約数の個数: 240

約数和(自身を含む): 70253568

約数和(自身を除く): 51621948

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 31, 35, 36, 42, 45, 53, 54, 60, 62, 63, 70, 81, 84, 90, 93, 105, 106, 108, 124, 126, 135, 140, 155, 159, 162, 180, 186, 189, 210, 212, 217, 252, 265, 270, 279, 310, 315, 318, 324, 371, 372, 378, 405, 420, 434, 465, 477, 530, 540, 558, 567, 620, 630, 636, 651, 742, 756, 795, 810, 837, 868, 930, 945, 954, 1060, 1085, 1113, 1116, 1134, 1260, 1302, 1395, 1431, 1484, 1590, 1620, 1643, 1674, 1855, 1860, 1890, 1908, 1953, 2170, 2226, 2268, 2385, 2511, 2604, 2790, 2835, 2862, 3180, 3255, 3286, 3339, 3348, 3710, 3780, 3906, 4185, 4293, 4340, 4452, 4770, 4929, 5022, 5565, 5580, 5670, 5724, 5859, 6510, 6572, 6678, 7155, 7420, 7812, 8215, 8370, 8586, 9540, 9765, 9858, 10017, 10044, 11130, 11340, 11501, 11718, 12555, 13020, 13356, 14310, 14787, 16430, 16695, 16740, 17172, 17577, 19530, 19716, 20034, 21465, 22260, 23002, 23436, 24645, 25110, 28620, 29295, 29574, 30051, 32860, 33390, 34503, 35154, 39060, 40068, 42930, 44361, 46004, 49290, 50085, 50220, 57505, 58590, 59148, 60102, 66780, 69006, 70308, 73935, 85860, 87885, 88722, 98580, 100170, 103509, 115010, 117180, 120204, 133083, 138012, 147870, 150255, 172515, 175770, 177444, 200340, 207018, 221805, 230020, 266166, 295740, 300510, 310527, 345030, 351540, 414036, 443610, 517545, 532332, 601020, 621054, 665415, 690060, 887220, 931581, 1035090, 1242108, 1330830, 1552635, 1863162, 2070180, 2661660, 3105270, 3726324, 4657905, 6210540, 9315810, 18631620]

約数ペア:

[(1, 18631620), (2, 9315810), (3, 6210540), (4, 4657905), (5, 3726324), (6, 3105270), (7, 2661660), (9, 2070180), (10, 1863162), (12, 1552635), (14, 1330830), (15, 1242108), (18, 1035090), (20, 931581), (21, 887220), (27, 690060), (28, 665415), (30, 621054), (31, 601020), (35, 532332), (36, 517545), (42, 443610), (45, 414036), (53, 351540), (54, 345030), (60, 310527), (62, 300510), (63, 295740), (70, 266166), (81, 230020), (84, 221805), (90, 207018), (93, 200340), (105, 177444), (106, 175770), (108, 172515), (124, 150255), (126, 147870), (135, 138012), (140, 133083), (155, 120204), (159, 117180), (162, 115010), (180, 103509), (186, 100170), (189, 98580), (210, 88722), (212, 87885), (217, 85860), (252, 73935), (265, 70308), (270, 69006), (279, 66780), (310, 60102), (315, 59148), (318, 58590), (324, 57505), (371, 50220), (372, 50085), (378, 49290), (405, 46004), (420, 44361), (434, 42930), (465, 40068), (477, 39060), (530, 35154), (540, 34503), (558, 33390), (567, 32860), (620, 30051), (630, 29574), (636, 29295), (651, 28620), (742, 25110), (756, 24645), (795, 23436), (810, 23002), (837, 22260), (868, 21465), (930, 20034), (945, 19716), (954, 19530), (1060, 17577), (1085, 17172), (1113, 16740), (1116, 16695), (1134, 16430), (1260, 14787), (1302, 14310), (1395, 13356), (1431, 13020), (1484, 12555), (1590, 11718), (1620, 11501), (1643, 11340), (1674, 11130), (1855, 10044), (1860, 10017), (1890, 9858), (1908, 9765), (1953, 9540), (2170, 8586), (2226, 8370), (2268, 8215), (2385, 7812), (2511, 7420), (2604, 7155), (2790, 6678), (2835, 6572), (2862, 6510), (3180, 5859), (3255, 5724), (3286, 5670), (3339, 5580), (3348, 5565), (3710, 5022), (3780, 4929), (3906, 4770), (4185, 4452), (4293, 4340)]