66664640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{29761}}^1$

素因数の和:29785

約数の個数: 56

約数和(自身を含む): 181429152

約数和(自身を除く): 114764512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 29761, 59522, 119044, 148805, 208327, 238088, 297610, 416654, 476176, 595220, 833308, 952352, 1041635, 1190440, 1666616, 1904704, 2083270, 2380880, 3333232, 4166540, 4761760, 6666464, 8333080, 9523520, 13332928, 16666160, 33332320, 66664640]

約数ペア:

[(1, 66664640), (2, 33332320), (4, 16666160), (5, 13332928), (7, 9523520), (8, 8333080), (10, 6666464), (14, 4761760), (16, 4166540), (20, 3333232), (28, 2380880), (32, 2083270), (35, 1904704), (40, 1666616), (56, 1190440), (64, 1041635), (70, 952352), (80, 833308), (112, 595220), (140, 476176), (160, 416654), (224, 297610), (280, 238088), (320, 208327), (448, 148805), (560, 119044), (1120, 59522), (2240, 29761)]