61571440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:279

約数の個数: 120

約数和(自身を含む): 169207920

約数和(自身を除く): 107636480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 113, 139, 140, 196, 226, 245, 278, 280, 392, 452, 490, 556, 560, 565, 695, 784, 791, 904, 973, 980, 1112, 1130, 1390, 1582, 1808, 1946, 1960, 2224, 2260, 2780, 3164, 3892, 3920, 3955, 4520, 4865, 5537, 5560, 6328, 6811, 7784, 7910, 9040, 9730, 11074, 11120, 12656, 13622, 15568, 15707, 15820, 19460, 22148, 27244, 27685, 31414, 31640, 34055, 38920, 44296, 54488, 55370, 62828, 63280, 68110, 77840, 78535, 88592, 108976, 109949, 110740, 125656, 136220, 157070, 219898, 221480, 251312, 272440, 314140, 439796, 442960, 544880, 549745, 628280, 769643, 879592, 1099490, 1256560, 1539286, 1759184, 2198980, 3078572, 3848215, 4397960, 6157144, 7696430, 8795920, 12314288, 15392860, 30785720, 61571440]

約数ペア:

[(1, 61571440), (2, 30785720), (4, 15392860), (5, 12314288), (7, 8795920), (8, 7696430), (10, 6157144), (14, 4397960), (16, 3848215), (20, 3078572), (28, 2198980), (35, 1759184), (40, 1539286), (49, 1256560), (56, 1099490), (70, 879592), (80, 769643), (98, 628280), (112, 549745), (113, 544880), (139, 442960), (140, 439796), (196, 314140), (226, 272440), (245, 251312), (278, 221480), (280, 219898), (392, 157070), (452, 136220), (490, 125656), (556, 110740), (560, 109949), (565, 108976), (695, 88592), (784, 78535), (791, 77840), (904, 68110), (973, 63280), (980, 62828), (1112, 55370), (1130, 54488), (1390, 44296), (1582, 38920), (1808, 34055), (1946, 31640), (1960, 31414), (2224, 27685), (2260, 27244), (2780, 22148), (3164, 19460), (3892, 15820), (3920, 15707), (3955, 15568), (4520, 13622), (4865, 12656), (5537, 11120), (5560, 11074), (6328, 9730), (6811, 9040), (7784, 7910)]