81932160

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:468

約数の個数: 128

約数和(自身を含む): 263894400

約数和(自身を除く): 181962240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 139, 160, 192, 240, 278, 307, 320, 384, 417, 480, 556, 614, 640, 695, 834, 921, 960, 1112, 1228, 1390, 1535, 1668, 1842, 1920, 2085, 2224, 2456, 2780, 3070, 3336, 3684, 4170, 4448, 4605, 4912, 5560, 6140, 6672, 7368, 8340, 8896, 9210, 9824, 11120, 12280, 13344, 14736, 16680, 17792, 18420, 19648, 22240, 24560, 26688, 29472, 33360, 36840, 39296, 42673, 44480, 49120, 53376, 58944, 66720, 73680, 85346, 88960, 98240, 117888, 128019, 133440, 147360, 170692, 196480, 213365, 256038, 266880, 294720, 341384, 426730, 512076, 589440, 640095, 682768, 853460, 1024152, 1280190, 1365536, 1706920, 2048304, 2560380, 2731072, 3413840, 4096608, 5120760, 5462144, 6827680, 8193216, 10241520, 13655360, 16386432, 20483040, 27310720, 40966080, 81932160]

約数ペア:

[(1, 81932160), (2, 40966080), (3, 27310720), (4, 20483040), (5, 16386432), (6, 13655360), (8, 10241520), (10, 8193216), (12, 6827680), (15, 5462144), (16, 5120760), (20, 4096608), (24, 3413840), (30, 2731072), (32, 2560380), (40, 2048304), (48, 1706920), (60, 1365536), (64, 1280190), (80, 1024152), (96, 853460), (120, 682768), (128, 640095), (139, 589440), (160, 512076), (192, 426730), (240, 341384), (278, 294720), (307, 266880), (320, 256038), (384, 213365), (417, 196480), (480, 170692), (556, 147360), (614, 133440), (640, 128019), (695, 117888), (834, 98240), (921, 88960), (960, 85346), (1112, 73680), (1228, 66720), (1390, 58944), (1535, 53376), (1668, 49120), (1842, 44480), (1920, 42673), (2085, 39296), (2224, 36840), (2456, 33360), (2780, 29472), (3070, 26688), (3336, 24560), (3684, 22240), (4170, 19648), (4448, 18420), (4605, 17792), (4912, 16680), (5560, 14736), (6140, 13344), (6672, 12280), (7368, 11120), (8340, 9824), (8896, 9210)]