66865280

素因数分解:

$2^7\times 5^1\times {\mathrm{191}}^1\times {\mathrm{547}}^1$

素因数の和:757

約数の個数: 64

約数和(自身を含む): 160980480

約数和(自身を除く): 94115200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 191, 320, 382, 547, 640, 764, 955, 1094, 1528, 1910, 2188, 2735, 3056, 3820, 4376, 5470, 6112, 7640, 8752, 10940, 12224, 15280, 17504, 21880, 24448, 30560, 35008, 43760, 61120, 70016, 87520, 104477, 122240, 175040, 208954, 350080, 417908, 522385, 835816, 1044770, 1671632, 2089540, 3343264, 4179080, 6686528, 8358160, 13373056, 16716320, 33432640, 66865280]

約数ペア:

[(1, 66865280), (2, 33432640), (4, 16716320), (5, 13373056), (8, 8358160), (10, 6686528), (16, 4179080), (20, 3343264), (32, 2089540), (40, 1671632), (64, 1044770), (80, 835816), (128, 522385), (160, 417908), (191, 350080), (320, 208954), (382, 175040), (547, 122240), (640, 104477), (764, 87520), (955, 70016), (1094, 61120), (1528, 43760), (1910, 35008), (2188, 30560), (2735, 24448), (3056, 21880), (3820, 17504), (4376, 15280), (5470, 12224), (6112, 10940), (7640, 8752)]