20403918720

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{13469}}^1$

素因数の和:13757

約数の個数: 192

約数和(自身を含む): 70730431200

約数和(自身を除く): 50326512480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 263, 288, 320, 360, 384, 480, 526, 576, 640, 720, 789, 960, 1052, 1152, 1315, 1440, 1578, 1920, 2104, 2367, 2630, 2880, 3156, 3945, 4208, 4734, 5260, 5760, 6312, 7890, 8416, 9468, 10520, 11835, 12624, 13469, 15780, 16832, 18936, 21040, 23670, 25248, 26938, 31560, 33664, 37872, 40407, 42080, 47340, 50496, 53876, 63120, 67345, 75744, 80814, 84160, 94680, 100992, 107752, 121221, 126240, 134690, 151488, 161628, 168320, 189360, 202035, 215504, 242442, 252480, 269380, 302976, 323256, 378720, 404070, 431008, 484884, 504960, 538760, 606105, 646512, 757440, 808140, 862016, 969768, 1077520, 1212210, 1293024, 1514880, 1616280, 1724032, 1939536, 2155040, 2424420, 2586048, 3232560, 3542347, 3879072, 4310080, 4848840, 5172096, 6465120, 7084694, 7758144, 8620160, 9697680, 10627041, 12930240, 14169388, 15516288, 17711735, 19395360, 21254082, 25860480, 28338776, 31881123, 35423470, 38790720, 42508164, 53135205, 56677552, 63762246, 70846940, 77581440, 85016328, 106270410, 113355104, 127524492, 141693880, 159405615, 170032656, 212540820, 226710208, 255048984, 283387760, 318811230, 340065312, 425081640, 453420416, 510097968, 566775520, 637622460, 680130624, 850163280, 1020195936, 1133551040, 1275244920, 1360261248, 1700326560, 2040391872, 2267102080, 2550489840, 3400653120, 4080783744, 5100979680, 6801306240, 10201959360, 20403918720]

約数ペア:

[(1, 20403918720), (2, 10201959360), (3, 6801306240), (4, 5100979680), (5, 4080783744), (6, 3400653120), (8, 2550489840), (9, 2267102080), (10, 2040391872), (12, 1700326560), (15, 1360261248), (16, 1275244920), (18, 1133551040), (20, 1020195936), (24, 850163280), (30, 680130624), (32, 637622460), (36, 566775520), (40, 510097968), (45, 453420416), (48, 425081640), (60, 340065312), (64, 318811230), (72, 283387760), (80, 255048984), (90, 226710208), (96, 212540820), (120, 170032656), (128, 159405615), (144, 141693880), (160, 127524492), (180, 113355104), (192, 106270410), (240, 85016328), (263, 77581440), (288, 70846940), (320, 63762246), (360, 56677552), (384, 53135205), (480, 42508164), (526, 38790720), (576, 35423470), (640, 31881123), (720, 28338776), (789, 25860480), (960, 21254082), (1052, 19395360), (1152, 17711735), (1315, 15516288), (1440, 14169388), (1578, 12930240), (1920, 10627041), (2104, 9697680), (2367, 8620160), (2630, 7758144), (2880, 7084694), (3156, 6465120), (3945, 5172096), (4208, 4848840), (4734, 4310080), (5260, 3879072), (5760, 3542347), (6312, 3232560), (7890, 2586048), (8416, 2424420), (9468, 2155040), (10520, 1939536), (11835, 1724032), (12624, 1616280), (13469, 1514880), (15780, 1293024), (16832, 1212210), (18936, 1077520), (21040, 969768), (23670, 862016), (25248, 808140), (26938, 757440), (31560, 646512), (33664, 606105), (37872, 538760), (40407, 504960), (42080, 484884), (47340, 431008), (50496, 404070), (53876, 378720), (63120, 323256), (67345, 302976), (75744, 269380), (80814, 252480), (84160, 242442), (94680, 215504), (100992, 202035), (107752, 189360), (121221, 168320), (126240, 161628), (134690, 151488)]