1905143520

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{81001}}^1$

素因数の和:81033

約数の個数: 144

約数和(自身を含む): 6981076368

約数和(自身を除く): 5075932848

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 11760, 23520, 81001, 162002, 243003, 324004, 405005, 486006, 567007, 648008, 810010, 972012, 1134014, 1215015, 1296016, 1620020, 1701021, 1944024, 2268028, 2430030, 2592032, 2835035, 3240040, 3402042, 3888048, 3969049, 4536056, 4860060, 5670070, 6480080, 6804084, 7776096, 7938098, 8505105, 9072112, 9720120, 11340140, 11907147, 12960160, 13608168, 15876196, 17010210, 18144224, 19440240, 19845245, 22680280, 23814294, 27216336, 31752392, 34020420, 38880480, 39690490, 45360560, 47628588, 54432672, 59535735, 63504784, 68040840, 79380980, 90721120, 95257176, 119071470, 127009568, 136081680, 158761960, 190514352, 238142940, 272163360, 317523920, 381028704, 476285880, 635047840, 952571760, 1905143520]

約数ペア:

[(1, 1905143520), (2, 952571760), (3, 635047840), (4, 476285880), (5, 381028704), (6, 317523920), (7, 272163360), (8, 238142940), (10, 190514352), (12, 158761960), (14, 136081680), (15, 127009568), (16, 119071470), (20, 95257176), (21, 90721120), (24, 79380980), (28, 68040840), (30, 63504784), (32, 59535735), (35, 54432672), (40, 47628588), (42, 45360560), (48, 39690490), (49, 38880480), (56, 34020420), (60, 31752392), (70, 27216336), (80, 23814294), (84, 22680280), (96, 19845245), (98, 19440240), (105, 18144224), (112, 17010210), (120, 15876196), (140, 13608168), (147, 12960160), (160, 11907147), (168, 11340140), (196, 9720120), (210, 9072112), (224, 8505105), (240, 7938098), (245, 7776096), (280, 6804084), (294, 6480080), (336, 5670070), (392, 4860060), (420, 4536056), (480, 3969049), (490, 3888048), (560, 3402042), (588, 3240040), (672, 2835035), (735, 2592032), (784, 2430030), (840, 2268028), (980, 1944024), (1120, 1701021), (1176, 1620020), (1470, 1296016), (1568, 1215015), (1680, 1134014), (1960, 972012), (2352, 810010), (2940, 648008), (3360, 567007), (3920, 486006), (4704, 405005), (5880, 324004), (7840, 243003), (11760, 162002), (23520, 81001)]