80197440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{601}}^1$

素因数の和:760

約数の個数: 112

約数和(自身を含む): 256885440

約数和(自身を除く): 176688000

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, 139, 160, 192, 240, 278, 320, 417, 480, 556, 601, 695, 834, 960, 1112, 1202, 1390, 1668, 1803, 2085, 2224, 2404, 2780, 3005, 3336, 3606, 4170, 4448, 4808, 5560, 6010, 6672, 7212, 8340, 8896, 9015, 9616, 11120, 12020, 13344, 14424, 16680, 18030, 19232, 22240, 24040, 26688, 28848, 33360, 36060, 38464, 44480, 48080, 57696, 66720, 72120, 83539, 96160, 115392, 133440, 144240, 167078, 192320, 250617, 288480, 334156, 417695, 501234, 576960, 668312, 835390, 1002468, 1253085, 1336624, 1670780, 2004936, 2506170, 2673248, 3341560, 4009872, 5012340, 5346496, 6683120, 8019744, 10024680, 13366240, 16039488, 20049360, 26732480, 40098720, 80197440]

約数ペア:

[(1, 80197440), (2, 40098720), (3, 26732480), (4, 20049360), (5, 16039488), (6, 13366240), (8, 10024680), (10, 8019744), (12, 6683120), (15, 5346496), (16, 5012340), (20, 4009872), (24, 3341560), (30, 2673248), (32, 2506170), (40, 2004936), (48, 1670780), (60, 1336624), (64, 1253085), (80, 1002468), (96, 835390), (120, 668312), (139, 576960), (160, 501234), (192, 417695), (240, 334156), (278, 288480), (320, 250617), (417, 192320), (480, 167078), (556, 144240), (601, 133440), (695, 115392), (834, 96160), (960, 83539), (1112, 72120), (1202, 66720), (1390, 57696), (1668, 48080), (1803, 44480), (2085, 38464), (2224, 36060), (2404, 33360), (2780, 28848), (3005, 26688), (3336, 24040), (3606, 22240), (4170, 19232), (4448, 18030), (4808, 16680), (5560, 14424), (6010, 13344), (6672, 12020), (7212, 11120), (8340, 9616), (8896, 9015)]