21420693720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{10723}}^1$

素因数の和:10950

約数の個数: 192

約数和(自身を含む): 72271180800

約数和(自身を除く): 50850487080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 179, 180, 186, 248, 279, 310, 358, 360, 372, 465, 537, 558, 620, 716, 744, 895, 930, 1074, 1116, 1240, 1395, 1432, 1611, 1790, 1860, 2148, 2232, 2685, 2790, 3222, 3580, 3720, 4296, 5370, 5549, 5580, 6444, 7160, 8055, 10723, 10740, 11098, 11160, 12888, 16110, 16647, 21446, 21480, 22196, 27745, 32169, 32220, 33294, 42892, 44392, 49941, 53615, 55490, 64338, 64440, 66588, 83235, 85784, 96507, 99882, 107230, 110980, 128676, 133176, 160845, 166470, 193014, 199764, 214460, 221960, 249705, 257352, 321690, 332413, 332940, 386028, 399528, 428920, 482535, 499410, 643380, 664826, 665880, 772056, 965070, 997239, 998820, 1286760, 1329652, 1662065, 1919417, 1930140, 1994478, 1997640, 2659304, 2991717, 3324130, 3838834, 3860280, 3988956, 4986195, 5758251, 5983434, 6648260, 7677668, 7977912, 9597085, 9972390, 11516502, 11966868, 13296520, 14958585, 15355336, 17274753, 19194170, 19944780, 23033004, 23933736, 28791255, 29917170, 34549506, 38388340, 39889560, 46066008, 57582510, 59501927, 59834340, 69099012, 76776680, 86373765, 115165020, 119003854, 119668680, 138198024, 172747530, 178505781, 230330040, 238007708, 297509635, 345495060, 357011562, 476015416, 535517343, 595019270, 690990120, 714023124, 892528905, 1071034686, 1190038540, 1428046248, 1785057810, 2142069372, 2380077080, 2677586715, 3570115620, 4284138744, 5355173430, 7140231240, 10710346860, 21420693720]

約数ペア:

[(1, 21420693720), (2, 10710346860), (3, 7140231240), (4, 5355173430), (5, 4284138744), (6, 3570115620), (8, 2677586715), (9, 2380077080), (10, 2142069372), (12, 1785057810), (15, 1428046248), (18, 1190038540), (20, 1071034686), (24, 892528905), (30, 714023124), (31, 690990120), (36, 595019270), (40, 535517343), (45, 476015416), (60, 357011562), (62, 345495060), (72, 297509635), (90, 238007708), (93, 230330040), (120, 178505781), (124, 172747530), (155, 138198024), (179, 119668680), (180, 119003854), (186, 115165020), (248, 86373765), (279, 76776680), (310, 69099012), (358, 59834340), (360, 59501927), (372, 57582510), (465, 46066008), (537, 39889560), (558, 38388340), (620, 34549506), (716, 29917170), (744, 28791255), (895, 23933736), (930, 23033004), (1074, 19944780), (1116, 19194170), (1240, 17274753), (1395, 15355336), (1432, 14958585), (1611, 13296520), (1790, 11966868), (1860, 11516502), (2148, 9972390), (2232, 9597085), (2685, 7977912), (2790, 7677668), (3222, 6648260), (3580, 5983434), (3720, 5758251), (4296, 4986195), (5370, 3988956), (5549, 3860280), (5580, 3838834), (6444, 3324130), (7160, 2991717), (8055, 2659304), (10723, 1997640), (10740, 1994478), (11098, 1930140), (11160, 1919417), (12888, 1662065), (16110, 1329652), (16647, 1286760), (21446, 998820), (21480, 997239), (22196, 965070), (27745, 772056), (32169, 665880), (32220, 664826), (33294, 643380), (42892, 499410), (44392, 482535), (49941, 428920), (53615, 399528), (55490, 386028), (64338, 332940), (64440, 332413), (66588, 321690), (83235, 257352), (85784, 249705), (96507, 221960), (99882, 214460), (107230, 199764), (110980, 193014), (128676, 166470), (133176, 160845)]