1218201840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1423}}^1$

素因数の和:1512

約数の個数: 240

約数和(自身を含む): 4338472320

約数和(自身を除く): 3120270480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 41, 45, 48, 58, 60, 72, 80, 82, 87, 90, 116, 120, 123, 144, 145, 164, 174, 180, 205, 232, 240, 246, 261, 290, 328, 348, 360, 369, 410, 435, 464, 492, 522, 580, 615, 656, 696, 720, 738, 820, 870, 984, 1044, 1160, 1189, 1230, 1305, 1392, 1423, 1476, 1640, 1740, 1845, 1968, 2088, 2320, 2378, 2460, 2610, 2846, 2952, 3280, 3480, 3567, 3690, 4176, 4269, 4756, 4920, 5220, 5692, 5904, 5945, 6960, 7115, 7134, 7380, 8538, 9512, 9840, 10440, 10701, 11384, 11890, 12807, 14230, 14268, 14760, 17076, 17835, 19024, 20880, 21345, 21402, 22768, 23780, 25614, 28460, 28536, 29520, 34152, 35670, 41267, 42690, 42804, 47560, 51228, 53505, 56920, 57072, 58343, 64035, 68304, 71340, 82534, 85380, 85608, 95120, 102456, 107010, 113840, 116686, 123801, 128070, 142680, 165068, 170760, 171216, 175029, 204912, 206335, 214020, 233372, 247602, 256140, 285360, 291715, 330136, 341520, 350058, 371403, 412670, 428040, 466744, 495204, 512280, 525087, 583430, 619005, 660272, 700116, 742806, 825340, 856080, 875145, 933488, 990408, 1024560, 1050174, 1166860, 1238010, 1400232, 1485612, 1650680, 1691947, 1750290, 1857015, 1980816, 2100348, 2333720, 2476020, 2625435, 2800464, 2971224, 3301360, 3383894, 3500580, 3714030, 4200696, 4667440, 4952040, 5075841, 5250870, 5942448, 6767788, 7001160, 7428060, 8401392, 8459735, 9904080, 10151682, 10501740, 13535576, 14002320, 14856120, 15227523, 16919470, 20303364, 21003480, 25379205, 27071152, 29712240, 30455046, 33838940, 40606728, 42006960, 50758410, 60910092, 67677880, 76137615, 81213456, 101516820, 121820184, 135355760, 152275230, 203033640, 243640368, 304550460, 406067280, 609100920, 1218201840]

約数ペア:

[(1, 1218201840), (2, 609100920), (3, 406067280), (4, 304550460), (5, 243640368), (6, 203033640), (8, 152275230), (9, 135355760), (10, 121820184), (12, 101516820), (15, 81213456), (16, 76137615), (18, 67677880), (20, 60910092), (24, 50758410), (29, 42006960), (30, 40606728), (36, 33838940), (40, 30455046), (41, 29712240), (45, 27071152), (48, 25379205), (58, 21003480), (60, 20303364), (72, 16919470), (80, 15227523), (82, 14856120), (87, 14002320), (90, 13535576), (116, 10501740), (120, 10151682), (123, 9904080), (144, 8459735), (145, 8401392), (164, 7428060), (174, 7001160), (180, 6767788), (205, 5942448), (232, 5250870), (240, 5075841), (246, 4952040), (261, 4667440), (290, 4200696), (328, 3714030), (348, 3500580), (360, 3383894), (369, 3301360), (410, 2971224), (435, 2800464), (464, 2625435), (492, 2476020), (522, 2333720), (580, 2100348), (615, 1980816), (656, 1857015), (696, 1750290), (720, 1691947), (738, 1650680), (820, 1485612), (870, 1400232), (984, 1238010), (1044, 1166860), (1160, 1050174), (1189, 1024560), (1230, 990408), (1305, 933488), (1392, 875145), (1423, 856080), (1476, 825340), (1640, 742806), (1740, 700116), (1845, 660272), (1968, 619005), (2088, 583430), (2320, 525087), (2378, 512280), (2460, 495204), (2610, 466744), (2846, 428040), (2952, 412670), (3280, 371403), (3480, 350058), (3567, 341520), (3690, 330136), (4176, 291715), (4269, 285360), (4756, 256140), (4920, 247602), (5220, 233372), (5692, 214020), (5904, 206335), (5945, 204912), (6960, 175029), (7115, 171216), (7134, 170760), (7380, 165068), (8538, 142680), (9512, 128070), (9840, 123801), (10440, 116686), (10701, 113840), (11384, 107010), (11890, 102456), (12807, 95120), (14230, 85608), (14268, 85380), (14760, 82534), (17076, 71340), (17835, 68304), (19024, 64035), (20880, 58343), (21345, 57072), (21402, 56920), (22768, 53505), (23780, 51228), (25614, 47560), (28460, 42804), (28536, 42690), (29520, 41267), (34152, 35670)]