65221440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{67939}}^1$

素因数の和:67959

約数の個数: 56

約数和(自身を含む): 207081120

約数和(自身を除く): 141859680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 67939, 135878, 203817, 271756, 339695, 407634, 543512, 679390, 815268, 1019085, 1087024, 1358780, 1630536, 2038170, 2174048, 2717560, 3261072, 4076340, 4348096, 5435120, 6522144, 8152680, 10870240, 13044288, 16305360, 21740480, 32610720, 65221440]

約数ペア:

[(1, 65221440), (2, 32610720), (3, 21740480), (4, 16305360), (5, 13044288), (6, 10870240), (8, 8152680), (10, 6522144), (12, 5435120), (15, 4348096), (16, 4076340), (20, 3261072), (24, 2717560), (30, 2174048), (32, 2038170), (40, 1630536), (48, 1358780), (60, 1087024), (64, 1019085), (80, 815268), (96, 679390), (120, 543512), (160, 407634), (192, 339695), (240, 271756), (320, 203817), (480, 135878), (960, 67939)]