1680497780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{37361}}^1$

素因数の和:37556

約数の個数: 48

約数和(自身を含む): 3822580944

約数和(自身を除く): 2142083164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 173, 260, 346, 692, 865, 1730, 2249, 3460, 4498, 8996, 11245, 22490, 37361, 44980, 74722, 149444, 186805, 373610, 485693, 747220, 971386, 1942772, 2428465, 4856930, 6463453, 9713860, 12926906, 25853812, 32317265, 64634530, 84024889, 129269060, 168049778, 336099556, 420124445, 840248890, 1680497780]

約数ペア:

[(1, 1680497780), (2, 840248890), (4, 420124445), (5, 336099556), (10, 168049778), (13, 129269060), (20, 84024889), (26, 64634530), (52, 32317265), (65, 25853812), (130, 12926906), (173, 9713860), (260, 6463453), (346, 4856930), (692, 2428465), (865, 1942772), (1730, 971386), (2249, 747220), (3460, 485693), (4498, 373610), (8996, 186805), (11245, 149444), (22490, 74722), (37361, 44980)]