660465664

素因数分解:

$2^{11}\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 1390072320

約数和(自身を除く): 729606656

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 101, 103, 124, 128, 202, 206, 248, 256, 404, 412, 496, 512, 808, 824, 992, 1024, 1616, 1648, 1984, 2048, 3131, 3193, 3232, 3296, 3968, 6262, 6386, 6464, 6592, 7936, 10403, 12524, 12772, 12928, 13184, 15872, 20806, 25048, 25544, 25856, 26368, 31744, 41612, 50096, 51088, 51712, 52736, 63488, 83224, 100192, 102176, 103424, 105472, 166448, 200384, 204352, 206848, 210944, 322493, 332896, 400768, 408704, 644986, 665792, 801536, 817408, 1289972, 1331584, 1603072, 1634816, 2579944, 2663168, 3206144, 3269632, 5159888, 5326336, 6412288, 6539264, 10319776, 10652672, 20639552, 21305344, 41279104, 82558208, 165116416, 330232832, 660465664]

約数ペア:

[(1, 660465664), (2, 330232832), (4, 165116416), (8, 82558208), (16, 41279104), (31, 21305344), (32, 20639552), (62, 10652672), (64, 10319776), (101, 6539264), (103, 6412288), (124, 5326336), (128, 5159888), (202, 3269632), (206, 3206144), (248, 2663168), (256, 2579944), (404, 1634816), (412, 1603072), (496, 1331584), (512, 1289972), (808, 817408), (824, 801536), (992, 665792), (1024, 644986), (1616, 408704), (1648, 400768), (1984, 332896), (2048, 322493), (3131, 210944), (3193, 206848), (3232, 204352), (3296, 200384), (3968, 166448), (6262, 105472), (6386, 103424), (6464, 102176), (6592, 100192), (7936, 83224), (10403, 63488), (12524, 52736), (12772, 51712), (12928, 51088), (13184, 50096), (15872, 41612), (20806, 31744), (25048, 26368), (25544, 25856)]