398398080

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:271

約数の個数: 256

約数和(自身を含む): 1365004800

約数和(自身を除く): 966606720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 67, 76, 80, 95, 96, 114, 120, 128, 134, 152, 160, 163, 190, 192, 201, 228, 240, 268, 285, 304, 320, 326, 335, 380, 384, 402, 456, 480, 489, 536, 570, 608, 640, 652, 670, 760, 804, 815, 912, 960, 978, 1005, 1072, 1140, 1216, 1273, 1304, 1340, 1520, 1608, 1630, 1824, 1920, 1956, 2010, 2144, 2280, 2432, 2445, 2546, 2608, 2680, 3040, 3097, 3216, 3260, 3648, 3819, 3912, 4020, 4288, 4560, 4890, 5092, 5216, 5360, 6080, 6194, 6365, 6432, 6520, 7296, 7638, 7824, 8040, 8576, 9120, 9291, 9780, 10184, 10432, 10720, 10921, 12160, 12388, 12730, 12864, 13040, 15276, 15485, 15648, 16080, 18240, 18582, 19095, 19560, 20368, 20864, 21440, 21842, 24776, 25460, 25728, 26080, 30552, 30970, 31296, 32160, 32763, 36480, 37164, 38190, 39120, 40736, 42880, 43684, 46455, 49552, 50920, 52160, 54605, 61104, 61940, 62592, 64320, 65526, 74328, 76380, 78240, 81472, 87368, 92910, 99104, 101840, 104320, 109210, 122208, 123880, 128640, 131052, 148656, 152760, 156480, 162944, 163815, 174736, 185820, 198208, 203680, 207499, 218420, 244416, 247760, 262104, 297312, 305520, 312960, 327630, 349472, 371640, 396416, 407360, 414998, 436840, 488832, 495520, 524208, 594624, 611040, 622497, 655260, 698944, 743280, 814720, 829996, 873680, 991040, 1037495, 1048416, 1189248, 1222080, 1244994, 1310520, 1397888, 1486560, 1659992, 1747360, 1982080, 2074990, 2096832, 2444160, 2489988, 2621040, 2973120, 3112485, 3319984, 3494720, 4149980, 4193664, 4979976, 5242080, 5946240, 6224970, 6639968, 6989440, 8299960, 9959952, 10484160, 12449940, 13279936, 16599920, 19919904, 20968320, 24899880, 26559872, 33199840, 39839808, 49799760, 66399680, 79679616, 99599520, 132799360, 199199040, 398398080]

約数ペア:

[(1, 398398080), (2, 199199040), (3, 132799360), (4, 99599520), (5, 79679616), (6, 66399680), (8, 49799760), (10, 39839808), (12, 33199840), (15, 26559872), (16, 24899880), (19, 20968320), (20, 19919904), (24, 16599920), (30, 13279936), (32, 12449940), (38, 10484160), (40, 9959952), (48, 8299960), (57, 6989440), (60, 6639968), (64, 6224970), (67, 5946240), (76, 5242080), (80, 4979976), (95, 4193664), (96, 4149980), (114, 3494720), (120, 3319984), (128, 3112485), (134, 2973120), (152, 2621040), (160, 2489988), (163, 2444160), (190, 2096832), (192, 2074990), (201, 1982080), (228, 1747360), (240, 1659992), (268, 1486560), (285, 1397888), (304, 1310520), (320, 1244994), (326, 1222080), (335, 1189248), (380, 1048416), (384, 1037495), (402, 991040), (456, 873680), (480, 829996), (489, 814720), (536, 743280), (570, 698944), (608, 655260), (640, 622497), (652, 611040), (670, 594624), (760, 524208), (804, 495520), (815, 488832), (912, 436840), (960, 414998), (978, 407360), (1005, 396416), (1072, 371640), (1140, 349472), (1216, 327630), (1273, 312960), (1304, 305520), (1340, 297312), (1520, 262104), (1608, 247760), (1630, 244416), (1824, 218420), (1920, 207499), (1956, 203680), (2010, 198208), (2144, 185820), (2280, 174736), (2432, 163815), (2445, 162944), (2546, 156480), (2608, 152760), (2680, 148656), (3040, 131052), (3097, 128640), (3216, 123880), (3260, 122208), (3648, 109210), (3819, 104320), (3912, 101840), (4020, 99104), (4288, 92910), (4560, 87368), (4890, 81472), (5092, 78240), (5216, 76380), (5360, 74328), (6080, 65526), (6194, 64320), (6365, 62592), (6432, 61940), (6520, 61104), (7296, 54605), (7638, 52160), (7824, 50920), (8040, 49552), (8576, 46455), (9120, 43684), (9291, 42880), (9780, 40736), (10184, 39120), (10432, 38190), (10720, 37164), (10921, 36480), (12160, 32763), (12388, 32160), (12730, 31296), (12864, 30970), (13040, 30552), (15276, 26080), (15485, 25728), (15648, 25460), (16080, 24776), (18240, 21842), (18582, 21440), (19095, 20864), (19560, 20368)]