666867840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20431}}^1$

素因数の和:20470

約数の個数: 128

約数和(自身を含む): 2250789120

約数和(自身を除く): 1583921280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 384, 408, 480, 510, 544, 640, 680, 816, 960, 1020, 1088, 1360, 1632, 1920, 2040, 2176, 2720, 3264, 4080, 5440, 6528, 8160, 10880, 16320, 20431, 32640, 40862, 61293, 81724, 102155, 122586, 163448, 204310, 245172, 306465, 326896, 347327, 408620, 490344, 612930, 653792, 694654, 817240, 980688, 1041981, 1225860, 1307584, 1389308, 1634480, 1736635, 1961376, 2083962, 2451720, 2615168, 2778616, 3268960, 3473270, 3922752, 4167924, 4903440, 5209905, 5557232, 6537920, 6946540, 7845504, 8335848, 9806880, 10419810, 11114464, 13075840, 13893080, 16671696, 19613760, 20839620, 22228928, 27786160, 33343392, 39227520, 41679240, 44457856, 55572320, 66686784, 83358480, 111144640, 133373568, 166716960, 222289280, 333433920, 666867840]

約数ペア:

[(1, 666867840), (2, 333433920), (3, 222289280), (4, 166716960), (5, 133373568), (6, 111144640), (8, 83358480), (10, 66686784), (12, 55572320), (15, 44457856), (16, 41679240), (17, 39227520), (20, 33343392), (24, 27786160), (30, 22228928), (32, 20839620), (34, 19613760), (40, 16671696), (48, 13893080), (51, 13075840), (60, 11114464), (64, 10419810), (68, 9806880), (80, 8335848), (85, 7845504), (96, 6946540), (102, 6537920), (120, 5557232), (128, 5209905), (136, 4903440), (160, 4167924), (170, 3922752), (192, 3473270), (204, 3268960), (240, 2778616), (255, 2615168), (272, 2451720), (320, 2083962), (340, 1961376), (384, 1736635), (408, 1634480), (480, 1389308), (510, 1307584), (544, 1225860), (640, 1041981), (680, 980688), (816, 817240), (960, 694654), (1020, 653792), (1088, 612930), (1360, 490344), (1632, 408620), (1920, 347327), (2040, 326896), (2176, 306465), (2720, 245172), (3264, 204310), (4080, 163448), (5440, 122586), (6528, 102155), (8160, 81724), (10880, 61293), (16320, 40862), (20431, 32640)]