1261440

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{73}}^1$

素因数の和:101

約数の個数: 128

約数和(自身を含む): 4528800

約数和(自身を除く): 3267360

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, 73, 80, 90, 96, 108, 120, 128, 135, 144, 146, 160, 180, 192, 216, 219, 240, 270, 288, 292, 320, 360, 365, 384, 432, 438, 480, 540, 576, 584, 640, 657, 720, 730, 864, 876, 960, 1080, 1095, 1152, 1168, 1314, 1440, 1460, 1728, 1752, 1920, 1971, 2160, 2190, 2336, 2628, 2880, 2920, 3285, 3456, 3504, 3942, 4320, 4380, 4672, 5256, 5760, 5840, 6570, 7008, 7884, 8640, 8760, 9344, 9855, 10512, 11680, 13140, 14016, 15768, 17280, 17520, 19710, 21024, 23360, 26280, 28032, 31536, 35040, 39420, 42048, 46720, 52560, 63072, 70080, 78840, 84096, 105120, 126144, 140160, 157680, 210240, 252288, 315360, 420480, 630720, 1261440]

約数ペア:

[(1, 1261440), (2, 630720), (3, 420480), (4, 315360), (5, 252288), (6, 210240), (8, 157680), (9, 140160), (10, 126144), (12, 105120), (15, 84096), (16, 78840), (18, 70080), (20, 63072), (24, 52560), (27, 46720), (30, 42048), (32, 39420), (36, 35040), (40, 31536), (45, 28032), (48, 26280), (54, 23360), (60, 21024), (64, 19710), (72, 17520), (73, 17280), (80, 15768), (90, 14016), (96, 13140), (108, 11680), (120, 10512), (128, 9855), (135, 9344), (144, 8760), (146, 8640), (160, 7884), (180, 7008), (192, 6570), (216, 5840), (219, 5760), (240, 5256), (270, 4672), (288, 4380), (292, 4320), (320, 3942), (360, 3504), (365, 3456), (384, 3285), (432, 2920), (438, 2880), (480, 2628), (540, 2336), (576, 2190), (584, 2160), (640, 1971), (657, 1920), (720, 1752), (730, 1728), (864, 1460), (876, 1440), (960, 1314), (1080, 1168), (1095, 1152)]