318593280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{509}}^1$

素因数の和:696

約数の個数: 144

約数和(自身を含む): 1025760960

約数和(自身を除く): 707167680

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, 163, 192, 240, 256, 320, 326, 384, 480, 489, 509, 640, 652, 768, 815, 960, 978, 1018, 1280, 1304, 1527, 1630, 1920, 1956, 2036, 2445, 2545, 2608, 3054, 3260, 3840, 3912, 4072, 4890, 5090, 5216, 6108, 6520, 7635, 7824, 8144, 9780, 10180, 10432, 12216, 13040, 15270, 15648, 16288, 19560, 20360, 20864, 24432, 26080, 30540, 31296, 32576, 39120, 40720, 41728, 48864, 52160, 61080, 62592, 65152, 78240, 81440, 82967, 97728, 104320, 122160, 125184, 130304, 156480, 162880, 165934, 195456, 208640, 244320, 248901, 312960, 325760, 331868, 390912, 414835, 488640, 497802, 625920, 651520, 663736, 829670, 977280, 995604, 1244505, 1327472, 1659340, 1954560, 1991208, 2489010, 2654944, 3318680, 3982416, 4978020, 5309888, 6637360, 7964832, 9956040, 10619776, 13274720, 15929664, 19912080, 21239552, 26549440, 31859328, 39824160, 53098880, 63718656, 79648320, 106197760, 159296640, 318593280]

約数ペア:

[(1, 318593280), (2, 159296640), (3, 106197760), (4, 79648320), (5, 63718656), (6, 53098880), (8, 39824160), (10, 31859328), (12, 26549440), (15, 21239552), (16, 19912080), (20, 15929664), (24, 13274720), (30, 10619776), (32, 9956040), (40, 7964832), (48, 6637360), (60, 5309888), (64, 4978020), (80, 3982416), (96, 3318680), (120, 2654944), (128, 2489010), (160, 1991208), (163, 1954560), (192, 1659340), (240, 1327472), (256, 1244505), (320, 995604), (326, 977280), (384, 829670), (480, 663736), (489, 651520), (509, 625920), (640, 497802), (652, 488640), (768, 414835), (815, 390912), (960, 331868), (978, 325760), (1018, 312960), (1280, 248901), (1304, 244320), (1527, 208640), (1630, 195456), (1920, 165934), (1956, 162880), (2036, 156480), (2445, 130304), (2545, 125184), (2608, 122160), (3054, 104320), (3260, 97728), (3840, 82967), (3912, 81440), (4072, 78240), (4890, 65152), (5090, 62592), (5216, 61080), (6108, 52160), (6520, 48864), (7635, 41728), (7824, 40720), (8144, 39120), (9780, 32576), (10180, 31296), (10432, 30540), (12216, 26080), (13040, 24432), (15270, 20864), (15648, 20360), (16288, 19560)]