15655040

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:481

約数の個数: 64

約数和(自身を含む): 38133720

約数和(自身を除く): 22478680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 401, 488, 610, 640, 802, 976, 1220, 1604, 1952, 2005, 2440, 3208, 3904, 4010, 4880, 6416, 7808, 8020, 9760, 12832, 16040, 19520, 24461, 25664, 32080, 39040, 48922, 51328, 64160, 97844, 122305, 128320, 195688, 244610, 256640, 391376, 489220, 782752, 978440, 1565504, 1956880, 3131008, 3913760, 7827520, 15655040]

約数ペア:

[(1, 15655040), (2, 7827520), (4, 3913760), (5, 3131008), (8, 1956880), (10, 1565504), (16, 978440), (20, 782752), (32, 489220), (40, 391376), (61, 256640), (64, 244610), (80, 195688), (122, 128320), (128, 122305), (160, 97844), (244, 64160), (305, 51328), (320, 48922), (401, 39040), (488, 32080), (610, 25664), (640, 24461), (802, 19520), (976, 16040), (1220, 12832), (1604, 9760), (1952, 8020), (2005, 7808), (2440, 6416), (3208, 4880), (3904, 4010)]