2178231120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7507}}^1$

素因数の和:7570

約数の個数: 240

約数和(自身を含む): 8133146112

約数和(自身を除く): 5954914992

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 31, 36, 39, 40, 45, 48, 52, 60, 62, 65, 72, 78, 80, 90, 93, 104, 117, 120, 124, 130, 144, 155, 156, 180, 186, 195, 208, 234, 240, 248, 260, 279, 310, 312, 360, 372, 390, 403, 465, 468, 496, 520, 558, 585, 620, 624, 720, 744, 780, 806, 930, 936, 1040, 1116, 1170, 1209, 1240, 1395, 1488, 1560, 1612, 1860, 1872, 2015, 2232, 2340, 2418, 2480, 2790, 3120, 3224, 3627, 3720, 4030, 4464, 4680, 4836, 5580, 6045, 6448, 7254, 7440, 7507, 8060, 9360, 9672, 11160, 12090, 14508, 15014, 16120, 18135, 19344, 22320, 22521, 24180, 29016, 30028, 32240, 36270, 37535, 45042, 48360, 58032, 60056, 67563, 72540, 75070, 90084, 96720, 97591, 112605, 120112, 135126, 145080, 150140, 180168, 195182, 225210, 232717, 270252, 290160, 292773, 300280, 337815, 360336, 390364, 450420, 465434, 487955, 540504, 585546, 600560, 675630, 698151, 780728, 878319, 900840, 930868, 975910, 1081008, 1163585, 1171092, 1351260, 1396302, 1463865, 1561456, 1756638, 1801680, 1861736, 1951820, 2094453, 2327170, 2342184, 2702520, 2792604, 2927730, 3025321, 3490755, 3513276, 3723472, 3903640, 4188906, 4391595, 4654340, 4684368, 5405040, 5585208, 5855460, 6050642, 6981510, 7026552, 7807280, 8377812, 8783190, 9075963, 9308680, 10472265, 11170416, 11710920, 12101284, 13963020, 14053104, 15126605, 16755624, 17566380, 18151926, 18617360, 20944530, 23421840, 24202568, 27227889, 27926040, 30253210, 33511248, 35132760, 36303852, 41889060, 45379815, 48405136, 54455778, 55852080, 60506420, 70265520, 72607704, 83778120, 90759630, 108911556, 121012840, 136139445, 145215408, 167556240, 181519260, 217823112, 242025680, 272278890, 363038520, 435646224, 544557780, 726077040, 1089115560, 2178231120]

約数ペア:

[(1, 2178231120), (2, 1089115560), (3, 726077040), (4, 544557780), (5, 435646224), (6, 363038520), (8, 272278890), (9, 242025680), (10, 217823112), (12, 181519260), (13, 167556240), (15, 145215408), (16, 136139445), (18, 121012840), (20, 108911556), (24, 90759630), (26, 83778120), (30, 72607704), (31, 70265520), (36, 60506420), (39, 55852080), (40, 54455778), (45, 48405136), (48, 45379815), (52, 41889060), (60, 36303852), (62, 35132760), (65, 33511248), (72, 30253210), (78, 27926040), (80, 27227889), (90, 24202568), (93, 23421840), (104, 20944530), (117, 18617360), (120, 18151926), (124, 17566380), (130, 16755624), (144, 15126605), (155, 14053104), (156, 13963020), (180, 12101284), (186, 11710920), (195, 11170416), (208, 10472265), (234, 9308680), (240, 9075963), (248, 8783190), (260, 8377812), (279, 7807280), (310, 7026552), (312, 6981510), (360, 6050642), (372, 5855460), (390, 5585208), (403, 5405040), (465, 4684368), (468, 4654340), (496, 4391595), (520, 4188906), (558, 3903640), (585, 3723472), (620, 3513276), (624, 3490755), (720, 3025321), (744, 2927730), (780, 2792604), (806, 2702520), (930, 2342184), (936, 2327170), (1040, 2094453), (1116, 1951820), (1170, 1861736), (1209, 1801680), (1240, 1756638), (1395, 1561456), (1488, 1463865), (1560, 1396302), (1612, 1351260), (1860, 1171092), (1872, 1163585), (2015, 1081008), (2232, 975910), (2340, 930868), (2418, 900840), (2480, 878319), (2790, 780728), (3120, 698151), (3224, 675630), (3627, 600560), (3720, 585546), (4030, 540504), (4464, 487955), (4680, 465434), (4836, 450420), (5580, 390364), (6045, 360336), (6448, 337815), (7254, 300280), (7440, 292773), (7507, 290160), (8060, 270252), (9360, 232717), (9672, 225210), (11160, 195182), (12090, 180168), (14508, 150140), (15014, 145080), (16120, 135126), (18135, 120112), (19344, 112605), (22320, 97591), (22521, 96720), (24180, 90084), (29016, 75070), (30028, 72540), (32240, 67563), (36270, 60056), (37535, 58032), (45042, 48360)]