80623920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25841}}^1$

素因数の和:25870

約数の個数: 80

約数和(自身を含む): 269170272

約数和(自身を除く): 188546352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 25841, 51682, 77523, 103364, 129205, 155046, 206728, 258410, 310092, 335933, 387615, 413456, 516820, 620184, 671866, 775230, 1007799, 1033640, 1240368, 1343732, 1550460, 1679665, 2015598, 2067280, 2687464, 3100920, 3359330, 4031196, 5038995, 5374928, 6201840, 6718660, 8062392, 10077990, 13437320, 16124784, 20155980, 26874640, 40311960, 80623920]

約数ペア:

[(1, 80623920), (2, 40311960), (3, 26874640), (4, 20155980), (5, 16124784), (6, 13437320), (8, 10077990), (10, 8062392), (12, 6718660), (13, 6201840), (15, 5374928), (16, 5038995), (20, 4031196), (24, 3359330), (26, 3100920), (30, 2687464), (39, 2067280), (40, 2015598), (48, 1679665), (52, 1550460), (60, 1343732), (65, 1240368), (78, 1033640), (80, 1007799), (104, 775230), (120, 671866), (130, 620184), (156, 516820), (195, 413456), (208, 387615), (240, 335933), (260, 310092), (312, 258410), (390, 206728), (520, 155046), (624, 129205), (780, 103364), (1040, 77523), (1560, 51682), (3120, 25841)]