6440784

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:708

約数の個数: 80

約数和(自身を含む): 19701120

約数和(自身を除く): 13260336

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 29, 42, 48, 56, 58, 84, 87, 112, 116, 168, 174, 203, 232, 336, 348, 406, 464, 609, 661, 696, 812, 1218, 1322, 1392, 1624, 1983, 2436, 2644, 3248, 3966, 4627, 4872, 5288, 7932, 9254, 9744, 10576, 13881, 15864, 18508, 19169, 27762, 31728, 37016, 38338, 55524, 57507, 74032, 76676, 111048, 115014, 134183, 153352, 222096, 230028, 268366, 306704, 402549, 460056, 536732, 805098, 920112, 1073464, 1610196, 2146928, 3220392, 6440784]

約数ペア:

[(1, 6440784), (2, 3220392), (3, 2146928), (4, 1610196), (6, 1073464), (7, 920112), (8, 805098), (12, 536732), (14, 460056), (16, 402549), (21, 306704), (24, 268366), (28, 230028), (29, 222096), (42, 153352), (48, 134183), (56, 115014), (58, 111048), (84, 76676), (87, 74032), (112, 57507), (116, 55524), (168, 38338), (174, 37016), (203, 31728), (232, 27762), (336, 19169), (348, 18508), (406, 15864), (464, 13881), (609, 10576), (661, 9744), (696, 9254), (812, 7932), (1218, 5288), (1322, 4872), (1392, 4627), (1624, 3966), (1983, 3248), (2436, 2644)]