258921920

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{607}}^1$

素因数の和:698

約数の個数: 112

約数和(自身を含む): 652320768

約数和(自身を除く): 393398848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 43, 62, 64, 80, 86, 124, 155, 160, 172, 215, 248, 310, 320, 344, 430, 496, 607, 620, 688, 860, 992, 1214, 1240, 1333, 1376, 1720, 1984, 2428, 2480, 2666, 2752, 3035, 3440, 4856, 4960, 5332, 6070, 6665, 6880, 9712, 9920, 10664, 12140, 13330, 13760, 18817, 19424, 21328, 24280, 26101, 26660, 37634, 38848, 42656, 48560, 52202, 53320, 75268, 85312, 94085, 97120, 104404, 106640, 130505, 150536, 188170, 194240, 208808, 213280, 261010, 301072, 376340, 417616, 426560, 522020, 602144, 752680, 809131, 835232, 1044040, 1204288, 1505360, 1618262, 1670464, 2088080, 3010720, 3236524, 4045655, 4176160, 6021440, 6473048, 8091310, 8352320, 12946096, 16182620, 25892192, 32365240, 51784384, 64730480, 129460960, 258921920]

約数ペア:

[(1, 258921920), (2, 129460960), (4, 64730480), (5, 51784384), (8, 32365240), (10, 25892192), (16, 16182620), (20, 12946096), (31, 8352320), (32, 8091310), (40, 6473048), (43, 6021440), (62, 4176160), (64, 4045655), (80, 3236524), (86, 3010720), (124, 2088080), (155, 1670464), (160, 1618262), (172, 1505360), (215, 1204288), (248, 1044040), (310, 835232), (320, 809131), (344, 752680), (430, 602144), (496, 522020), (607, 426560), (620, 417616), (688, 376340), (860, 301072), (992, 261010), (1214, 213280), (1240, 208808), (1333, 194240), (1376, 188170), (1720, 150536), (1984, 130505), (2428, 106640), (2480, 104404), (2666, 97120), (2752, 94085), (3035, 85312), (3440, 75268), (4856, 53320), (4960, 52202), (5332, 48560), (6070, 42656), (6665, 38848), (6880, 37634), (9712, 26660), (9920, 26101), (10664, 24280), (12140, 21328), (13330, 19424), (13760, 18817)]