129972720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2749}}^1$

素因数の和:2962

約数の個数: 80

約数和(自身を含む): 405108000

約数和(自身を除く): 275135280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 197, 240, 394, 591, 788, 985, 1182, 1576, 1970, 2364, 2749, 2955, 3152, 3940, 4728, 5498, 5910, 7880, 8247, 9456, 10996, 11820, 13745, 15760, 16494, 21992, 23640, 27490, 32988, 41235, 43984, 47280, 54980, 65976, 82470, 109960, 131952, 164940, 219920, 329880, 541553, 659760, 1083106, 1624659, 2166212, 2707765, 3249318, 4332424, 5415530, 6498636, 8123295, 8664848, 10831060, 12997272, 16246590, 21662120, 25994544, 32493180, 43324240, 64986360, 129972720]

約数ペア:

[(1, 129972720), (2, 64986360), (3, 43324240), (4, 32493180), (5, 25994544), (6, 21662120), (8, 16246590), (10, 12997272), (12, 10831060), (15, 8664848), (16, 8123295), (20, 6498636), (24, 5415530), (30, 4332424), (40, 3249318), (48, 2707765), (60, 2166212), (80, 1624659), (120, 1083106), (197, 659760), (240, 541553), (394, 329880), (591, 219920), (788, 164940), (985, 131952), (1182, 109960), (1576, 82470), (1970, 65976), (2364, 54980), (2749, 47280), (2955, 43984), (3152, 41235), (3940, 32988), (4728, 27490), (5498, 23640), (5910, 21992), (7880, 16494), (8247, 15760), (9456, 13745), (10996, 11820)]