16988280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7451}}^1$

素因数の和:7484

約数の個数: 64

約数和(自身を含む): 53654400

約数和(自身を除く): 36666120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 7451, 14902, 22353, 29804, 37255, 44706, 59608, 74510, 89412, 111765, 141569, 149020, 178824, 223530, 283138, 298040, 424707, 447060, 566276, 707845, 849414, 894120, 1132552, 1415690, 1698828, 2123535, 2831380, 3397656, 4247070, 5662760, 8494140, 16988280]

約数ペア:

[(1, 16988280), (2, 8494140), (3, 5662760), (4, 4247070), (5, 3397656), (6, 2831380), (8, 2123535), (10, 1698828), (12, 1415690), (15, 1132552), (19, 894120), (20, 849414), (24, 707845), (30, 566276), (38, 447060), (40, 424707), (57, 298040), (60, 283138), (76, 223530), (95, 178824), (114, 149020), (120, 141569), (152, 111765), (190, 89412), (228, 74510), (285, 59608), (380, 44706), (456, 37255), (570, 29804), (760, 22353), (1140, 14902), (2280, 7451)]