391590720

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{743}}^1$

素因数の和:830

約数の個数: 224

約数和(自身を含む): 1405981440

約数和(自身を除く): 1014390720

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, 61, 64, 72, 80, 90, 96, 108, 120, 122, 135, 144, 160, 180, 183, 192, 216, 240, 244, 270, 288, 305, 320, 360, 366, 432, 480, 488, 540, 549, 576, 610, 720, 732, 743, 864, 915, 960, 976, 1080, 1098, 1220, 1440, 1464, 1486, 1647, 1728, 1830, 1952, 2160, 2196, 2229, 2440, 2745, 2880, 2928, 2972, 3294, 3660, 3715, 3904, 4320, 4392, 4458, 4880, 5490, 5856, 5944, 6588, 6687, 7320, 7430, 8235, 8640, 8784, 8916, 9760, 10980, 11145, 11712, 11888, 13176, 13374, 14640, 14860, 16470, 17568, 17832, 19520, 20061, 21960, 22290, 23776, 26352, 26748, 29280, 29720, 32940, 33435, 35136, 35664, 40122, 43920, 44580, 45323, 47552, 52704, 53496, 58560, 59440, 65880, 66870, 71328, 80244, 87840, 89160, 90646, 100305, 105408, 106992, 118880, 131760, 133740, 135969, 142656, 160488, 175680, 178320, 181292, 200610, 213984, 226615, 237760, 263520, 267480, 271938, 320976, 356640, 362584, 401220, 407907, 427968, 453230, 527040, 534960, 543876, 641952, 679845, 713280, 725168, 802440, 815814, 906460, 1069920, 1087752, 1223721, 1283904, 1359690, 1450336, 1604880, 1631628, 1812920, 2039535, 2139840, 2175504, 2447442, 2719380, 2900672, 3209760, 3263256, 3625840, 4079070, 4351008, 4894884, 5438760, 6118605, 6419520, 6526512, 7251680, 8158140, 8702016, 9789768, 10877520, 12237210, 13053024, 14503360, 16316280, 19579536, 21755040, 24474420, 26106048, 32632560, 39159072, 43510080, 48948840, 65265120, 78318144, 97897680, 130530240, 195795360, 391590720]

約数ペア:

[(1, 391590720), (2, 195795360), (3, 130530240), (4, 97897680), (5, 78318144), (6, 65265120), (8, 48948840), (9, 43510080), (10, 39159072), (12, 32632560), (15, 26106048), (16, 24474420), (18, 21755040), (20, 19579536), (24, 16316280), (27, 14503360), (30, 13053024), (32, 12237210), (36, 10877520), (40, 9789768), (45, 8702016), (48, 8158140), (54, 7251680), (60, 6526512), (61, 6419520), (64, 6118605), (72, 5438760), (80, 4894884), (90, 4351008), (96, 4079070), (108, 3625840), (120, 3263256), (122, 3209760), (135, 2900672), (144, 2719380), (160, 2447442), (180, 2175504), (183, 2139840), (192, 2039535), (216, 1812920), (240, 1631628), (244, 1604880), (270, 1450336), (288, 1359690), (305, 1283904), (320, 1223721), (360, 1087752), (366, 1069920), (432, 906460), (480, 815814), (488, 802440), (540, 725168), (549, 713280), (576, 679845), (610, 641952), (720, 543876), (732, 534960), (743, 527040), (864, 453230), (915, 427968), (960, 407907), (976, 401220), (1080, 362584), (1098, 356640), (1220, 320976), (1440, 271938), (1464, 267480), (1486, 263520), (1647, 237760), (1728, 226615), (1830, 213984), (1952, 200610), (2160, 181292), (2196, 178320), (2229, 175680), (2440, 160488), (2745, 142656), (2880, 135969), (2928, 133740), (2972, 131760), (3294, 118880), (3660, 106992), (3715, 105408), (3904, 100305), (4320, 90646), (4392, 89160), (4458, 87840), (4880, 80244), (5490, 71328), (5856, 66870), (5944, 65880), (6588, 59440), (6687, 58560), (7320, 53496), (7430, 52704), (8235, 47552), (8640, 45323), (8784, 44580), (8916, 43920), (9760, 40122), (10980, 35664), (11145, 35136), (11712, 33435), (11888, 32940), (13176, 29720), (13374, 29280), (14640, 26748), (14860, 26352), (16470, 23776), (17568, 22290), (17832, 21960), (19520, 20061)]