18940101480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{221989}}^1$

素因数の和:222088

約数の個数: 128

約数和(自身を含む): 63933120000

約数和(自身を除く): 44993018520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 79, 90, 108, 120, 135, 158, 180, 216, 237, 270, 316, 360, 395, 474, 540, 632, 711, 790, 948, 1080, 1185, 1422, 1580, 1896, 2133, 2370, 2844, 3160, 3555, 4266, 4740, 5688, 7110, 8532, 9480, 10665, 14220, 17064, 21330, 28440, 42660, 85320, 221989, 443978, 665967, 887956, 1109945, 1331934, 1775912, 1997901, 2219890, 2663868, 3329835, 3995802, 4439780, 5327736, 5993703, 6659670, 7991604, 8879560, 9989505, 11987406, 13319340, 15983208, 17537131, 19979010, 23974812, 26638680, 29968515, 35074262, 39958020, 47949624, 52611393, 59937030, 70148524, 79916040, 87685655, 105222786, 119874060, 140297048, 157834179, 175371310, 210445572, 239748120, 263056965, 315668358, 350742620, 420891144, 473502537, 526113930, 631336716, 701485240, 789170895, 947005074, 1052227860, 1262673432, 1578341790, 1894010148, 2104455720, 2367512685, 3156683580, 3788020296, 4735025370, 6313367160, 9470050740, 18940101480]

約数ペア:

[(1, 18940101480), (2, 9470050740), (3, 6313367160), (4, 4735025370), (5, 3788020296), (6, 3156683580), (8, 2367512685), (9, 2104455720), (10, 1894010148), (12, 1578341790), (15, 1262673432), (18, 1052227860), (20, 947005074), (24, 789170895), (27, 701485240), (30, 631336716), (36, 526113930), (40, 473502537), (45, 420891144), (54, 350742620), (60, 315668358), (72, 263056965), (79, 239748120), (90, 210445572), (108, 175371310), (120, 157834179), (135, 140297048), (158, 119874060), (180, 105222786), (216, 87685655), (237, 79916040), (270, 70148524), (316, 59937030), (360, 52611393), (395, 47949624), (474, 39958020), (540, 35074262), (632, 29968515), (711, 26638680), (790, 23974812), (948, 19979010), (1080, 17537131), (1185, 15983208), (1422, 13319340), (1580, 11987406), (1896, 9989505), (2133, 8879560), (2370, 7991604), (2844, 6659670), (3160, 5993703), (3555, 5327736), (4266, 4439780), (4740, 3995802), (5688, 3329835), (7110, 2663868), (8532, 2219890), (9480, 1997901), (10665, 1775912), (14220, 1331934), (17064, 1109945), (21330, 887956), (28440, 665967), (42660, 443978), (85320, 221989)]