38991120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{23209}}^1$

素因数の和:23232

約数の個数: 80

約数和(自身を含む): 138145920

約数和(自身を除く): 99154800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 23209, 46418, 69627, 92836, 116045, 139254, 162463, 185672, 232090, 278508, 324926, 348135, 371344, 464180, 487389, 557016, 649852, 696270, 812315, 928360, 974778, 1114032, 1299704, 1392540, 1624630, 1856720, 1949556, 2436945, 2599408, 2785080, 3249260, 3899112, 4873890, 5570160, 6498520, 7798224, 9747780, 12997040, 19495560, 38991120]

約数ペア:

[(1, 38991120), (2, 19495560), (3, 12997040), (4, 9747780), (5, 7798224), (6, 6498520), (7, 5570160), (8, 4873890), (10, 3899112), (12, 3249260), (14, 2785080), (15, 2599408), (16, 2436945), (20, 1949556), (21, 1856720), (24, 1624630), (28, 1392540), (30, 1299704), (35, 1114032), (40, 974778), (42, 928360), (48, 812315), (56, 696270), (60, 649852), (70, 557016), (80, 487389), (84, 464180), (105, 371344), (112, 348135), (120, 324926), (140, 278508), (168, 232090), (210, 185672), (240, 162463), (280, 139254), (336, 116045), (420, 92836), (560, 69627), (840, 46418), (1680, 23209)]