78560020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{367}}^1$

素因数の和:533

約数の個数: 96

約数和(自身を含む): 207728640

約数和(自身を除く): 129168620

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 139, 140, 154, 220, 278, 308, 367, 385, 556, 695, 734, 770, 973, 1390, 1468, 1529, 1540, 1835, 1946, 2569, 2780, 3058, 3670, 3892, 4037, 4865, 5138, 6116, 7340, 7645, 8074, 9730, 10276, 10703, 12845, 15290, 16148, 19460, 20185, 21406, 25690, 28259, 30580, 40370, 42812, 51013, 51380, 53515, 56518, 80740, 102026, 107030, 113036, 141295, 204052, 214060, 255065, 282590, 357091, 510130, 561143, 565180, 714182, 1020260, 1122286, 1428364, 1785455, 2244572, 2805715, 3570910, 3928001, 5611430, 7141820, 7856002, 11222860, 15712004, 19640005, 39280010, 78560020]

約数ペア:

[(1, 78560020), (2, 39280010), (4, 19640005), (5, 15712004), (7, 11222860), (10, 7856002), (11, 7141820), (14, 5611430), (20, 3928001), (22, 3570910), (28, 2805715), (35, 2244572), (44, 1785455), (55, 1428364), (70, 1122286), (77, 1020260), (110, 714182), (139, 565180), (140, 561143), (154, 510130), (220, 357091), (278, 282590), (308, 255065), (367, 214060), (385, 204052), (556, 141295), (695, 113036), (734, 107030), (770, 102026), (973, 80740), (1390, 56518), (1468, 53515), (1529, 51380), (1540, 51013), (1835, 42812), (1946, 40370), (2569, 30580), (2780, 28259), (3058, 25690), (3670, 21406), (3892, 20185), (4037, 19460), (4865, 16148), (5138, 15290), (6116, 12845), (7340, 10703), (7645, 10276), (8074, 9730)]