205614720

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:264

約数の個数: 256

約数和(自身を含む): 742723200

約数和(自身を除く): 537108480

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, 163, 180, 192, 216, 219, 240, 270, 288, 292, 320, 326, 360, 365, 384, 432, 438, 480, 489, 540, 576, 584, 640, 652, 657, 720, 730, 815, 864, 876, 960, 978, 1080, 1095, 1152, 1168, 1304, 1314, 1440, 1460, 1467, 1630, 1728, 1752, 1920, 1956, 1971, 2160, 2190, 2336, 2445, 2608, 2628, 2880, 2920, 2934, 3260, 3285, 3456, 3504, 3912, 3942, 4320, 4380, 4401, 4672, 4890, 5216, 5256, 5760, 5840, 5868, 6520, 6570, 7008, 7335, 7824, 7884, 8640, 8760, 8802, 9344, 9780, 9855, 10432, 10512, 11680, 11736, 11899, 13040, 13140, 14016, 14670, 15648, 15768, 17280, 17520, 17604, 19560, 19710, 20864, 21024, 22005, 23360, 23472, 23798, 26080, 26280, 28032, 29340, 31296, 31536, 35040, 35208, 35697, 39120, 39420, 42048, 44010, 46720, 46944, 47596, 52160, 52560, 58680, 59495, 62592, 63072, 70080, 70416, 71394, 78240, 78840, 84096, 88020, 93888, 95192, 104320, 105120, 107091, 117360, 118990, 126144, 140160, 140832, 142788, 156480, 157680, 176040, 178485, 187776, 190384, 210240, 214182, 234720, 237980, 252288, 281664, 285576, 312960, 315360, 321273, 352080, 356970, 380768, 420480, 428364, 469440, 475960, 535455, 563328, 571152, 630720, 642546, 704160, 713940, 761536, 856728, 938880, 951920, 1070910, 1142304, 1261440, 1285092, 1408320, 1427880, 1523072, 1606365, 1713456, 1903840, 2141820, 2284608, 2570184, 2816640, 2855760, 3212730, 3426912, 3807680, 4283640, 4569216, 5140368, 5711520, 6425460, 6853824, 7615360, 8567280, 10280736, 11423040, 12850920, 13707648, 17134560, 20561472, 22846080, 25701840, 34269120, 41122944, 51403680, 68538240, 102807360, 205614720]

約数ペア:

[(1, 205614720), (2, 102807360), (3, 68538240), (4, 51403680), (5, 41122944), (6, 34269120), (8, 25701840), (9, 22846080), (10, 20561472), (12, 17134560), (15, 13707648), (16, 12850920), (18, 11423040), (20, 10280736), (24, 8567280), (27, 7615360), (30, 6853824), (32, 6425460), (36, 5711520), (40, 5140368), (45, 4569216), (48, 4283640), (54, 3807680), (60, 3426912), (64, 3212730), (72, 2855760), (73, 2816640), (80, 2570184), (90, 2284608), (96, 2141820), (108, 1903840), (120, 1713456), (128, 1606365), (135, 1523072), (144, 1427880), (146, 1408320), (160, 1285092), (163, 1261440), (180, 1142304), (192, 1070910), (216, 951920), (219, 938880), (240, 856728), (270, 761536), (288, 713940), (292, 704160), (320, 642546), (326, 630720), (360, 571152), (365, 563328), (384, 535455), (432, 475960), (438, 469440), (480, 428364), (489, 420480), (540, 380768), (576, 356970), (584, 352080), (640, 321273), (652, 315360), (657, 312960), (720, 285576), (730, 281664), (815, 252288), (864, 237980), (876, 234720), (960, 214182), (978, 210240), (1080, 190384), (1095, 187776), (1152, 178485), (1168, 176040), (1304, 157680), (1314, 156480), (1440, 142788), (1460, 140832), (1467, 140160), (1630, 126144), (1728, 118990), (1752, 117360), (1920, 107091), (1956, 105120), (1971, 104320), (2160, 95192), (2190, 93888), (2336, 88020), (2445, 84096), (2608, 78840), (2628, 78240), (2880, 71394), (2920, 70416), (2934, 70080), (3260, 63072), (3285, 62592), (3456, 59495), (3504, 58680), (3912, 52560), (3942, 52160), (4320, 47596), (4380, 46944), (4401, 46720), (4672, 44010), (4890, 42048), (5216, 39420), (5256, 39120), (5760, 35697), (5840, 35208), (5868, 35040), (6520, 31536), (6570, 31296), (7008, 29340), (7335, 28032), (7824, 26280), (7884, 26080), (8640, 23798), (8760, 23472), (8802, 23360), (9344, 22005), (9780, 21024), (9855, 20864), (10432, 19710), (10512, 19560), (11680, 17604), (11736, 17520), (11899, 17280), (13040, 15768), (13140, 15648), (14016, 14670)]