1921987080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{887}}^1$

素因数の和:1380

約数の個数: 192

約数和(自身を含む): 6749084160

約数和(自身を除く): 4827097080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 463, 468, 520, 585, 780, 887, 926, 936, 1170, 1389, 1560, 1774, 1852, 2315, 2340, 2661, 2778, 3548, 3704, 4167, 4435, 4630, 4680, 5322, 5556, 6019, 6945, 7096, 7983, 8334, 8870, 9260, 10644, 11112, 11531, 12038, 13305, 13890, 15966, 16668, 17740, 18057, 18520, 20835, 21288, 23062, 24076, 26610, 27780, 30095, 31932, 33336, 34593, 35480, 36114, 39915, 41670, 46124, 48152, 53220, 54171, 55560, 57655, 60190, 63864, 69186, 72228, 79830, 83340, 90285, 92248, 103779, 106440, 108342, 115310, 120380, 138372, 144456, 159660, 166680, 172965, 180570, 207558, 216684, 230620, 240760, 270855, 276744, 319320, 345930, 361140, 410681, 415116, 433368, 461240, 518895, 541710, 691860, 722280, 821362, 830232, 1037790, 1083420, 1232043, 1383720, 1642724, 2053405, 2075580, 2166840, 2464086, 3285448, 3696129, 4106810, 4151160, 4928172, 5338853, 6160215, 7392258, 8213620, 9856344, 10677706, 12320430, 14784516, 16016559, 16427240, 18480645, 21355412, 24640860, 26694265, 29569032, 32033118, 36961290, 42710824, 48049677, 49281720, 53388530, 64066236, 73922580, 80082795, 96099354, 106777060, 128132472, 147845160, 160165590, 192198708, 213554120, 240248385, 320331180, 384397416, 480496770, 640662360, 960993540, 1921987080]

約数ペア:

[(1, 1921987080), (2, 960993540), (3, 640662360), (4, 480496770), (5, 384397416), (6, 320331180), (8, 240248385), (9, 213554120), (10, 192198708), (12, 160165590), (13, 147845160), (15, 128132472), (18, 106777060), (20, 96099354), (24, 80082795), (26, 73922580), (30, 64066236), (36, 53388530), (39, 49281720), (40, 48049677), (45, 42710824), (52, 36961290), (60, 32033118), (65, 29569032), (72, 26694265), (78, 24640860), (90, 21355412), (104, 18480645), (117, 16427240), (120, 16016559), (130, 14784516), (156, 12320430), (180, 10677706), (195, 9856344), (234, 8213620), (260, 7392258), (312, 6160215), (360, 5338853), (390, 4928172), (463, 4151160), (468, 4106810), (520, 3696129), (585, 3285448), (780, 2464086), (887, 2166840), (926, 2075580), (936, 2053405), (1170, 1642724), (1389, 1383720), (1560, 1232043), (1774, 1083420), (1852, 1037790), (2315, 830232), (2340, 821362), (2661, 722280), (2778, 691860), (3548, 541710), (3704, 518895), (4167, 461240), (4435, 433368), (4630, 415116), (4680, 410681), (5322, 361140), (5556, 345930), (6019, 319320), (6945, 276744), (7096, 270855), (7983, 240760), (8334, 230620), (8870, 216684), (9260, 207558), (10644, 180570), (11112, 172965), (11531, 166680), (12038, 159660), (13305, 144456), (13890, 138372), (15966, 120380), (16668, 115310), (17740, 108342), (18057, 106440), (18520, 103779), (20835, 92248), (21288, 90285), (23062, 83340), (24076, 79830), (26610, 72228), (27780, 69186), (30095, 63864), (31932, 60190), (33336, 57655), (34593, 55560), (35480, 54171), (36114, 53220), (39915, 48152), (41670, 46124)]