78400128

素因数分解:

$2^7\times 3^1\times {\mathrm{61}}^1\times {\mathrm{3347}}^1$

素因数の和:3425

約数の個数: 64

約数和(自身を含む): 211727520

約数和(自身を除く): 133327392

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 64, 96, 122, 128, 183, 192, 244, 366, 384, 488, 732, 976, 1464, 1952, 2928, 3347, 3904, 5856, 6694, 7808, 10041, 11712, 13388, 20082, 23424, 26776, 40164, 53552, 80328, 107104, 160656, 204167, 214208, 321312, 408334, 428416, 612501, 642624, 816668, 1225002, 1285248, 1633336, 2450004, 3266672, 4900008, 6533344, 9800016, 13066688, 19600032, 26133376, 39200064, 78400128]

約数ペア:

[(1, 78400128), (2, 39200064), (3, 26133376), (4, 19600032), (6, 13066688), (8, 9800016), (12, 6533344), (16, 4900008), (24, 3266672), (32, 2450004), (48, 1633336), (61, 1285248), (64, 1225002), (96, 816668), (122, 642624), (128, 612501), (183, 428416), (192, 408334), (244, 321312), (366, 214208), (384, 204167), (488, 160656), (732, 107104), (976, 80328), (1464, 53552), (1952, 40164), (2928, 26776), (3347, 23424), (3904, 20082), (5856, 13388), (6694, 11712), (7808, 10041)]