26820480

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:312

約数の個数: 128

約数和(自身を含む): 87271200

約数和(自身を除く): 60450720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 64, 80, 96, 120, 122, 128, 160, 183, 192, 229, 240, 244, 305, 320, 366, 384, 458, 480, 488, 610, 640, 687, 732, 915, 916, 960, 976, 1145, 1220, 1374, 1464, 1830, 1832, 1920, 1952, 2290, 2440, 2748, 2928, 3435, 3660, 3664, 3904, 4580, 4880, 5496, 5856, 6870, 7320, 7328, 7808, 9160, 9760, 10992, 11712, 13740, 13969, 14640, 14656, 18320, 19520, 21984, 23424, 27480, 27938, 29280, 29312, 36640, 39040, 41907, 43968, 54960, 55876, 58560, 69845, 73280, 83814, 87936, 109920, 111752, 117120, 139690, 146560, 167628, 209535, 219840, 223504, 279380, 335256, 419070, 439680, 447008, 558760, 670512, 838140, 894016, 1117520, 1341024, 1676280, 1788032, 2235040, 2682048, 3352560, 4470080, 5364096, 6705120, 8940160, 13410240, 26820480]

約数ペア:

[(1, 26820480), (2, 13410240), (3, 8940160), (4, 6705120), (5, 5364096), (6, 4470080), (8, 3352560), (10, 2682048), (12, 2235040), (15, 1788032), (16, 1676280), (20, 1341024), (24, 1117520), (30, 894016), (32, 838140), (40, 670512), (48, 558760), (60, 447008), (61, 439680), (64, 419070), (80, 335256), (96, 279380), (120, 223504), (122, 219840), (128, 209535), (160, 167628), (183, 146560), (192, 139690), (229, 117120), (240, 111752), (244, 109920), (305, 87936), (320, 83814), (366, 73280), (384, 69845), (458, 58560), (480, 55876), (488, 54960), (610, 43968), (640, 41907), (687, 39040), (732, 36640), (915, 29312), (916, 29280), (960, 27938), (976, 27480), (1145, 23424), (1220, 21984), (1374, 19520), (1464, 18320), (1830, 14656), (1832, 14640), (1920, 13969), (1952, 13740), (2290, 11712), (2440, 10992), (2748, 9760), (2928, 9160), (3435, 7808), (3660, 7328), (3664, 7320), (3904, 6870), (4580, 5856), (4880, 5496)]