168290720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{80909}}^1$

素因数の和:80937

約数の個数: 48

約数和(自身を含む): 428175720

約数和(自身を除く): 259885000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 80909, 161818, 323636, 404545, 647272, 809090, 1051817, 1294544, 1618180, 2103634, 2589088, 3236360, 4207268, 5259085, 6472720, 8414536, 10518170, 12945440, 16829072, 21036340, 33658144, 42072680, 84145360, 168290720]

約数ペア:

[(1, 168290720), (2, 84145360), (4, 42072680), (5, 33658144), (8, 21036340), (10, 16829072), (13, 12945440), (16, 10518170), (20, 8414536), (26, 6472720), (32, 5259085), (40, 4207268), (52, 3236360), (65, 2589088), (80, 2103634), (104, 1618180), (130, 1294544), (160, 1051817), (208, 809090), (260, 647272), (416, 404545), (520, 323636), (1040, 161818), (2080, 80909)]