78072280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13649}}^1$

素因数の和:13684

約数の個数: 64

約数和(自身を含む): 206388000

約数和(自身を除く): 128315720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 13649, 27298, 54596, 68245, 109192, 136490, 150139, 177437, 272980, 300278, 354874, 545960, 600556, 709748, 750695, 887185, 1201112, 1419496, 1501390, 1774370, 1951807, 3002780, 3548740, 3903614, 6005560, 7097480, 7807228, 9759035, 15614456, 19518070, 39036140, 78072280]

約数ペア:

[(1, 78072280), (2, 39036140), (4, 19518070), (5, 15614456), (8, 9759035), (10, 7807228), (11, 7097480), (13, 6005560), (20, 3903614), (22, 3548740), (26, 3002780), (40, 1951807), (44, 1774370), (52, 1501390), (55, 1419496), (65, 1201112), (88, 887185), (104, 750695), (110, 709748), (130, 600556), (143, 545960), (220, 354874), (260, 300278), (286, 272980), (440, 177437), (520, 150139), (572, 136490), (715, 109192), (1144, 68245), (1430, 54596), (2860, 27298), (5720, 13649)]