388369920

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{829}}^1$

素因数の和:916

約数の個数: 160

約数和(自身を含む): 1263445920

約数和(自身を除く): 875076000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 64, 80, 96, 120, 122, 128, 160, 183, 192, 240, 244, 256, 305, 320, 366, 384, 480, 488, 512, 610, 640, 732, 768, 829, 915, 960, 976, 1220, 1280, 1464, 1536, 1658, 1830, 1920, 1952, 2440, 2487, 2560, 2928, 3316, 3660, 3840, 3904, 4145, 4880, 4974, 5856, 6632, 7320, 7680, 7808, 8290, 9760, 9948, 11712, 12435, 13264, 14640, 15616, 16580, 19520, 19896, 23424, 24870, 26528, 29280, 31232, 33160, 39040, 39792, 46848, 49740, 50569, 53056, 58560, 66320, 78080, 79584, 93696, 99480, 101138, 106112, 117120, 132640, 151707, 156160, 159168, 198960, 202276, 212224, 234240, 252845, 265280, 303414, 318336, 397920, 404552, 424448, 468480, 505690, 530560, 606828, 636672, 758535, 795840, 809104, 1011380, 1061120, 1213656, 1273344, 1517070, 1591680, 1618208, 2022760, 2122240, 2427312, 3034140, 3183360, 3236416, 4045520, 4854624, 6068280, 6366720, 6472832, 8091040, 9709248, 12136560, 12945664, 16182080, 19418496, 24273120, 25891328, 32364160, 38836992, 48546240, 64728320, 77673984, 97092480, 129456640, 194184960, 388369920]

約数ペア:

[(1, 388369920), (2, 194184960), (3, 129456640), (4, 97092480), (5, 77673984), (6, 64728320), (8, 48546240), (10, 38836992), (12, 32364160), (15, 25891328), (16, 24273120), (20, 19418496), (24, 16182080), (30, 12945664), (32, 12136560), (40, 9709248), (48, 8091040), (60, 6472832), (61, 6366720), (64, 6068280), (80, 4854624), (96, 4045520), (120, 3236416), (122, 3183360), (128, 3034140), (160, 2427312), (183, 2122240), (192, 2022760), (240, 1618208), (244, 1591680), (256, 1517070), (305, 1273344), (320, 1213656), (366, 1061120), (384, 1011380), (480, 809104), (488, 795840), (512, 758535), (610, 636672), (640, 606828), (732, 530560), (768, 505690), (829, 468480), (915, 424448), (960, 404552), (976, 397920), (1220, 318336), (1280, 303414), (1464, 265280), (1536, 252845), (1658, 234240), (1830, 212224), (1920, 202276), (1952, 198960), (2440, 159168), (2487, 156160), (2560, 151707), (2928, 132640), (3316, 117120), (3660, 106112), (3840, 101138), (3904, 99480), (4145, 93696), (4880, 79584), (4974, 78080), (5856, 66320), (6632, 58560), (7320, 53056), (7680, 50569), (7808, 49740), (8290, 46848), (9760, 39792), (9948, 39040), (11712, 33160), (12435, 31232), (13264, 29280), (14640, 26528), (15616, 24870), (16580, 23424), (19520, 19896)]