388587780

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{34267}}^1$

素因数の和:34295

約数の個数: 120

約数和(自身を含む): 1393199808

約数和(自身を除く): 1004612028

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 11340, 34267, 68534, 102801, 137068, 171335, 205602, 239869, 308403, 342670, 411204, 479738, 514005, 616806, 685340, 719607, 925209, 959476, 1028010, 1199345, 1233612, 1439214, 1542015, 1850418, 2056020, 2158821, 2398690, 2775627, 2878428, 3084030, 3598035, 3700836, 4317642, 4626045, 4797380, 5551254, 6168060, 6476463, 7196070, 8635284, 9252090, 10794105, 11102508, 12952926, 13878135, 14392140, 18504180, 19429389, 21588210, 25905852, 27756270, 32382315, 38858778, 43176420, 55512540, 64764630, 77717556, 97146945, 129529260, 194293890, 388587780]

約数ペア:

[(1, 388587780), (2, 194293890), (3, 129529260), (4, 97146945), (5, 77717556), (6, 64764630), (7, 55512540), (9, 43176420), (10, 38858778), (12, 32382315), (14, 27756270), (15, 25905852), (18, 21588210), (20, 19429389), (21, 18504180), (27, 14392140), (28, 13878135), (30, 12952926), (35, 11102508), (36, 10794105), (42, 9252090), (45, 8635284), (54, 7196070), (60, 6476463), (63, 6168060), (70, 5551254), (81, 4797380), (84, 4626045), (90, 4317642), (105, 3700836), (108, 3598035), (126, 3084030), (135, 2878428), (140, 2775627), (162, 2398690), (180, 2158821), (189, 2056020), (210, 1850418), (252, 1542015), (270, 1439214), (315, 1233612), (324, 1199345), (378, 1028010), (405, 959476), (420, 925209), (540, 719607), (567, 685340), (630, 616806), (756, 514005), (810, 479738), (945, 411204), (1134, 342670), (1260, 308403), (1620, 239869), (1890, 205602), (2268, 171335), (2835, 137068), (3780, 102801), (5670, 68534), (11340, 34267)]