81405030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{13367}}^1$

素因数の和:13413

約数の個数: 64

約数和(自身を含む): 230999040

約数和(自身を除く): 149594010

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 58, 70, 87, 105, 145, 174, 203, 210, 290, 406, 435, 609, 870, 1015, 1218, 2030, 3045, 6090, 13367, 26734, 40101, 66835, 80202, 93569, 133670, 187138, 200505, 280707, 387643, 401010, 467845, 561414, 775286, 935690, 1162929, 1403535, 1938215, 2325858, 2713501, 2807070, 3876430, 5427002, 5814645, 8140503, 11629290, 13567505, 16281006, 27135010, 40702515, 81405030]

約数ペア:

[(1, 81405030), (2, 40702515), (3, 27135010), (5, 16281006), (6, 13567505), (7, 11629290), (10, 8140503), (14, 5814645), (15, 5427002), (21, 3876430), (29, 2807070), (30, 2713501), (35, 2325858), (42, 1938215), (58, 1403535), (70, 1162929), (87, 935690), (105, 775286), (145, 561414), (174, 467845), (203, 401010), (210, 387643), (290, 280707), (406, 200505), (435, 187138), (609, 133670), (870, 93569), (1015, 80202), (1218, 66835), (2030, 40101), (3045, 26734), (6090, 13367)]