15821820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{433}}^1$

素因数の和:484

約数の個数: 144

約数和(自身を含む): 56871360

約数和(自身を除く): 41049540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 58, 60, 63, 70, 84, 87, 90, 105, 116, 126, 140, 145, 174, 180, 203, 210, 252, 261, 290, 315, 348, 406, 420, 433, 435, 522, 580, 609, 630, 812, 866, 870, 1015, 1044, 1218, 1260, 1299, 1305, 1732, 1740, 1827, 2030, 2165, 2436, 2598, 2610, 3031, 3045, 3654, 3897, 4060, 4330, 5196, 5220, 6062, 6090, 6495, 7308, 7794, 8660, 9093, 9135, 12124, 12180, 12557, 12990, 15155, 15588, 18186, 18270, 19485, 25114, 25980, 27279, 30310, 36372, 36540, 37671, 38970, 45465, 50228, 54558, 60620, 62785, 75342, 77940, 87899, 90930, 109116, 113013, 125570, 136395, 150684, 175798, 181860, 188355, 226026, 251140, 263697, 272790, 351596, 376710, 439495, 452052, 527394, 545580, 565065, 753420, 791091, 878990, 1054788, 1130130, 1318485, 1582182, 1757980, 2260260, 2636970, 3164364, 3955455, 5273940, 7910910, 15821820]

約数ペア:

[(1, 15821820), (2, 7910910), (3, 5273940), (4, 3955455), (5, 3164364), (6, 2636970), (7, 2260260), (9, 1757980), (10, 1582182), (12, 1318485), (14, 1130130), (15, 1054788), (18, 878990), (20, 791091), (21, 753420), (28, 565065), (29, 545580), (30, 527394), (35, 452052), (36, 439495), (42, 376710), (45, 351596), (58, 272790), (60, 263697), (63, 251140), (70, 226026), (84, 188355), (87, 181860), (90, 175798), (105, 150684), (116, 136395), (126, 125570), (140, 113013), (145, 109116), (174, 90930), (180, 87899), (203, 77940), (210, 75342), (252, 62785), (261, 60620), (290, 54558), (315, 50228), (348, 45465), (406, 38970), (420, 37671), (433, 36540), (435, 36372), (522, 30310), (580, 27279), (609, 25980), (630, 25114), (812, 19485), (866, 18270), (870, 18186), (1015, 15588), (1044, 15155), (1218, 12990), (1260, 12557), (1299, 12180), (1305, 12124), (1732, 9135), (1740, 9093), (1827, 8660), (2030, 7794), (2165, 7308), (2436, 6495), (2598, 6090), (2610, 6062), (3031, 5220), (3045, 5196), (3654, 4330), (3897, 4060)]