261778560

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{136343}}^1$

素因数の和:136365

約数の個数: 64

約数和(自身を含む): 834425280

約数和(自身を除く): 572646720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 136343, 272686, 409029, 545372, 681715, 818058, 1090744, 1363430, 1636116, 2045145, 2181488, 2726860, 3272232, 4090290, 4362976, 5453720, 6544464, 8180580, 8725952, 10907440, 13088928, 16361160, 17451904, 21814880, 26177856, 32722320, 43629760, 52355712, 65444640, 87259520, 130889280, 261778560]

約数ペア:

[(1, 261778560), (2, 130889280), (3, 87259520), (4, 65444640), (5, 52355712), (6, 43629760), (8, 32722320), (10, 26177856), (12, 21814880), (15, 17451904), (16, 16361160), (20, 13088928), (24, 10907440), (30, 8725952), (32, 8180580), (40, 6544464), (48, 5453720), (60, 4362976), (64, 4090290), (80, 3272232), (96, 2726860), (120, 2181488), (128, 2045145), (160, 1636116), (192, 1363430), (240, 1090744), (320, 818058), (384, 681715), (480, 545372), (640, 409029), (960, 272686), (1920, 136343)]