387911680

素因数分解:

$2^{12}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:120

約数の個数: 208

約数和(自身を含む): 1056835584

約数和(自身を除く): 668923904

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 47, 52, 62, 64, 65, 80, 94, 104, 124, 128, 130, 155, 160, 188, 208, 235, 248, 256, 260, 310, 320, 376, 403, 416, 470, 496, 512, 520, 611, 620, 640, 752, 806, 832, 940, 992, 1024, 1040, 1222, 1240, 1280, 1457, 1504, 1612, 1664, 1880, 1984, 2015, 2048, 2080, 2444, 2480, 2560, 2914, 3008, 3055, 3224, 3328, 3760, 3968, 4030, 4096, 4160, 4888, 4960, 5120, 5828, 6016, 6110, 6448, 6656, 7285, 7520, 7936, 8060, 8320, 9776, 9920, 10240, 11656, 12032, 12220, 12896, 13312, 14570, 15040, 15872, 16120, 16640, 18941, 19552, 19840, 20480, 23312, 24064, 24440, 25792, 26624, 29140, 30080, 31744, 32240, 33280, 37882, 39104, 39680, 46624, 48128, 48880, 51584, 53248, 58280, 60160, 63488, 64480, 66560, 75764, 78208, 79360, 93248, 94705, 96256, 97760, 103168, 116560, 120320, 126976, 128960, 133120, 151528, 156416, 158720, 186496, 189410, 192512, 195520, 206336, 233120, 240640, 257920, 266240, 303056, 312832, 317440, 372992, 378820, 391040, 412672, 466240, 481280, 515840, 606112, 625664, 634880, 745984, 757640, 782080, 825344, 932480, 962560, 1031680, 1212224, 1251328, 1491968, 1515280, 1564160, 1650688, 1864960, 2063360, 2424448, 2502656, 2983936, 3030560, 3128320, 3729920, 4126720, 4848896, 5967872, 6061120, 6256640, 7459840, 8253440, 9697792, 12122240, 12513280, 14919680, 19395584, 24244480, 29839360, 38791168, 48488960, 77582336, 96977920, 193955840, 387911680]

約数ペア:

[(1, 387911680), (2, 193955840), (4, 96977920), (5, 77582336), (8, 48488960), (10, 38791168), (13, 29839360), (16, 24244480), (20, 19395584), (26, 14919680), (31, 12513280), (32, 12122240), (40, 9697792), (47, 8253440), (52, 7459840), (62, 6256640), (64, 6061120), (65, 5967872), (80, 4848896), (94, 4126720), (104, 3729920), (124, 3128320), (128, 3030560), (130, 2983936), (155, 2502656), (160, 2424448), (188, 2063360), (208, 1864960), (235, 1650688), (248, 1564160), (256, 1515280), (260, 1491968), (310, 1251328), (320, 1212224), (376, 1031680), (403, 962560), (416, 932480), (470, 825344), (496, 782080), (512, 757640), (520, 745984), (611, 634880), (620, 625664), (640, 606112), (752, 515840), (806, 481280), (832, 466240), (940, 412672), (992, 391040), (1024, 378820), (1040, 372992), (1222, 317440), (1240, 312832), (1280, 303056), (1457, 266240), (1504, 257920), (1612, 240640), (1664, 233120), (1880, 206336), (1984, 195520), (2015, 192512), (2048, 189410), (2080, 186496), (2444, 158720), (2480, 156416), (2560, 151528), (2914, 133120), (3008, 128960), (3055, 126976), (3224, 120320), (3328, 116560), (3760, 103168), (3968, 97760), (4030, 96256), (4096, 94705), (4160, 93248), (4888, 79360), (4960, 78208), (5120, 75764), (5828, 66560), (6016, 64480), (6110, 63488), (6448, 60160), (6656, 58280), (7285, 53248), (7520, 51584), (7936, 48880), (8060, 48128), (8320, 46624), (9776, 39680), (9920, 39104), (10240, 37882), (11656, 33280), (12032, 32240), (12220, 31744), (12896, 30080), (13312, 29140), (14570, 26624), (15040, 25792), (15872, 24440), (16120, 24064), (16640, 23312), (18941, 20480), (19552, 19840)]