1978560

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{229}}^1$

素因数の和:255

約数の個数: 112

約数和(自身を含む): 7010400

約数和(自身を除く): 5031840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 229, 240, 270, 288, 320, 360, 432, 458, 480, 540, 576, 687, 720, 864, 916, 960, 1080, 1145, 1374, 1440, 1728, 1832, 2061, 2160, 2290, 2748, 2880, 3435, 3664, 4122, 4320, 4580, 5496, 6183, 6870, 7328, 8244, 8640, 9160, 10305, 10992, 12366, 13740, 14656, 16488, 18320, 20610, 21984, 24732, 27480, 30915, 32976, 36640, 41220, 43968, 49464, 54960, 61830, 65952, 73280, 82440, 98928, 109920, 123660, 131904, 164880, 197856, 219840, 247320, 329760, 395712, 494640, 659520, 989280, 1978560]

約数ペア:

[(1, 1978560), (2, 989280), (3, 659520), (4, 494640), (5, 395712), (6, 329760), (8, 247320), (9, 219840), (10, 197856), (12, 164880), (15, 131904), (16, 123660), (18, 109920), (20, 98928), (24, 82440), (27, 73280), (30, 65952), (32, 61830), (36, 54960), (40, 49464), (45, 43968), (48, 41220), (54, 36640), (60, 32976), (64, 30915), (72, 27480), (80, 24732), (90, 21984), (96, 20610), (108, 18320), (120, 16488), (135, 14656), (144, 13740), (160, 12366), (180, 10992), (192, 10305), (216, 9160), (229, 8640), (240, 8244), (270, 7328), (288, 6870), (320, 6183), (360, 5496), (432, 4580), (458, 4320), (480, 4122), (540, 3664), (576, 3435), (687, 2880), (720, 2748), (864, 2290), (916, 2160), (960, 2061), (1080, 1832), (1145, 1728), (1374, 1440)]