20187948240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{463}}^1\times {\mathrm{2633}}^1$

素因数の和:3138

約数の個数: 240

約数和(自身を含む): 70925317632

約数和(自身を除く): 50737369392

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 463, 552, 690, 720, 828, 920, 926, 1035, 1104, 1380, 1389, 1656, 1840, 1852, 2070, 2315, 2633, 2760, 2778, 3312, 3704, 4140, 4167, 4630, 5266, 5520, 5556, 6945, 7408, 7899, 8280, 8334, 9260, 10532, 10649, 11112, 13165, 13890, 15798, 16560, 16668, 18520, 20835, 21064, 21298, 22224, 23697, 26330, 27780, 31596, 31947, 33336, 37040, 39495, 41670, 42128, 42596, 47394, 52660, 53245, 55560, 60559, 63192, 63894, 66672, 78990, 83340, 85192, 94788, 95841, 105320, 106490, 111120, 118485, 121118, 126384, 127788, 157980, 159735, 166680, 170384, 181677, 189576, 191682, 210640, 212980, 236970, 242236, 255576, 302795, 315960, 319470, 333360, 363354, 379152, 383364, 425960, 473940, 479205, 484472, 511152, 545031, 605590, 631920, 638940, 726708, 766728, 851920, 908385, 947880, 958410, 968944, 1090062, 1211180, 1219079, 1277880, 1453416, 1533456, 1816770, 1895760, 1916820, 2180124, 2422360, 2438158, 2555760, 2725155, 2906832, 3633540, 3657237, 3833640, 4360248, 4844720, 4876316, 5450310, 6095395, 7267080, 7314474, 7667280, 8720496, 9752632, 10900620, 10971711, 12190790, 14534160, 14628948, 18286185, 19505264, 21801240, 21943422, 24381580, 28038817, 29257896, 36572370, 43602480, 43886844, 48763160, 54858555, 56077634, 58515792, 73144740, 84116451, 87773688, 97526320, 109717110, 112155268, 140194085, 146289480, 168232902, 175547376, 219434220, 224310536, 252349353, 280388170, 292578960, 336465804, 420582255, 438868440, 448621072, 504698706, 560776340, 672931608, 841164510, 877736880, 1009397412, 1121552680, 1261746765, 1345863216, 1682329020, 2018794824, 2243105360, 2523493530, 3364658040, 4037589648, 5046987060, 6729316080, 10093974120, 20187948240]

約数ペア:

[(1, 20187948240), (2, 10093974120), (3, 6729316080), (4, 5046987060), (5, 4037589648), (6, 3364658040), (8, 2523493530), (9, 2243105360), (10, 2018794824), (12, 1682329020), (15, 1345863216), (16, 1261746765), (18, 1121552680), (20, 1009397412), (23, 877736880), (24, 841164510), (30, 672931608), (36, 560776340), (40, 504698706), (45, 448621072), (46, 438868440), (48, 420582255), (60, 336465804), (69, 292578960), (72, 280388170), (80, 252349353), (90, 224310536), (92, 219434220), (115, 175547376), (120, 168232902), (138, 146289480), (144, 140194085), (180, 112155268), (184, 109717110), (207, 97526320), (230, 87773688), (240, 84116451), (276, 73144740), (345, 58515792), (360, 56077634), (368, 54858555), (414, 48763160), (460, 43886844), (463, 43602480), (552, 36572370), (690, 29257896), (720, 28038817), (828, 24381580), (920, 21943422), (926, 21801240), (1035, 19505264), (1104, 18286185), (1380, 14628948), (1389, 14534160), (1656, 12190790), (1840, 10971711), (1852, 10900620), (2070, 9752632), (2315, 8720496), (2633, 7667280), (2760, 7314474), (2778, 7267080), (3312, 6095395), (3704, 5450310), (4140, 4876316), (4167, 4844720), (4630, 4360248), (5266, 3833640), (5520, 3657237), (5556, 3633540), (6945, 2906832), (7408, 2725155), (7899, 2555760), (8280, 2438158), (8334, 2422360), (9260, 2180124), (10532, 1916820), (10649, 1895760), (11112, 1816770), (13165, 1533456), (13890, 1453416), (15798, 1277880), (16560, 1219079), (16668, 1211180), (18520, 1090062), (20835, 968944), (21064, 958410), (21298, 947880), (22224, 908385), (23697, 851920), (26330, 766728), (27780, 726708), (31596, 638940), (31947, 631920), (33336, 605590), (37040, 545031), (39495, 511152), (41670, 484472), (42128, 479205), (42596, 473940), (47394, 425960), (52660, 383364), (53245, 379152), (55560, 363354), (60559, 333360), (63192, 319470), (63894, 315960), (66672, 302795), (78990, 255576), (83340, 242236), (85192, 236970), (94788, 212980), (95841, 210640), (105320, 191682), (106490, 189576), (111120, 181677), (118485, 170384), (121118, 166680), (126384, 159735), (127788, 157980)]