1821781440

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{6263}}^1$

素因数の和:6387

約数の個数: 168

約数和(自身を含む): 6329220768

約数和(自身を除く): 4507439328

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, 101, 120, 144, 160, 180, 192, 202, 240, 288, 303, 320, 360, 404, 480, 505, 576, 606, 720, 808, 909, 960, 1010, 1212, 1440, 1515, 1616, 1818, 2020, 2424, 2880, 3030, 3232, 3636, 4040, 4545, 4848, 6060, 6263, 6464, 7272, 8080, 9090, 9696, 12120, 12526, 14544, 16160, 18180, 18789, 19392, 24240, 25052, 29088, 31315, 32320, 36360, 37578, 48480, 50104, 56367, 58176, 62630, 72720, 75156, 93945, 96960, 100208, 112734, 125260, 145440, 150312, 187890, 200416, 225468, 250520, 281835, 290880, 300624, 375780, 400832, 450936, 501040, 563670, 601248, 632563, 751560, 901872, 1002080, 1127340, 1202496, 1265126, 1503120, 1803744, 1897689, 2004160, 2254680, 2530252, 3006240, 3162815, 3607488, 3795378, 4509360, 5060504, 5693067, 6012480, 6325630, 7590756, 9018720, 9488445, 10121008, 11386134, 12651260, 15181512, 18037440, 18976890, 20242016, 22772268, 25302520, 28465335, 30363024, 37953780, 40484032, 45544536, 50605040, 56930670, 60726048, 75907560, 91089072, 101210080, 113861340, 121452096, 151815120, 182178144, 202420160, 227722680, 303630240, 364356288, 455445360, 607260480, 910890720, 1821781440]

約数ペア:

[(1, 1821781440), (2, 910890720), (3, 607260480), (4, 455445360), (5, 364356288), (6, 303630240), (8, 227722680), (9, 202420160), (10, 182178144), (12, 151815120), (15, 121452096), (16, 113861340), (18, 101210080), (20, 91089072), (24, 75907560), (30, 60726048), (32, 56930670), (36, 50605040), (40, 45544536), (45, 40484032), (48, 37953780), (60, 30363024), (64, 28465335), (72, 25302520), (80, 22772268), (90, 20242016), (96, 18976890), (101, 18037440), (120, 15181512), (144, 12651260), (160, 11386134), (180, 10121008), (192, 9488445), (202, 9018720), (240, 7590756), (288, 6325630), (303, 6012480), (320, 5693067), (360, 5060504), (404, 4509360), (480, 3795378), (505, 3607488), (576, 3162815), (606, 3006240), (720, 2530252), (808, 2254680), (909, 2004160), (960, 1897689), (1010, 1803744), (1212, 1503120), (1440, 1265126), (1515, 1202496), (1616, 1127340), (1818, 1002080), (2020, 901872), (2424, 751560), (2880, 632563), (3030, 601248), (3232, 563670), (3636, 501040), (4040, 450936), (4545, 400832), (4848, 375780), (6060, 300624), (6263, 290880), (6464, 281835), (7272, 250520), (8080, 225468), (9090, 200416), (9696, 187890), (12120, 150312), (12526, 145440), (14544, 125260), (16160, 112734), (18180, 100208), (18789, 96960), (19392, 93945), (24240, 75156), (25052, 72720), (29088, 62630), (31315, 58176), (32320, 56367), (36360, 50104), (37578, 48480)]