1272887980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{5507}}^1$

素因数の和:5663

約数の個数: 96

約数和(自身を含む): 3316432896

約数和(自身を除く): 2043544916

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 127, 130, 140, 182, 254, 260, 364, 455, 508, 635, 889, 910, 1270, 1651, 1778, 1820, 2540, 3302, 3556, 4445, 5507, 6604, 8255, 8890, 11014, 11557, 16510, 17780, 22028, 23114, 27535, 33020, 38549, 46228, 55070, 57785, 71591, 77098, 110140, 115570, 143182, 154196, 192745, 231140, 286364, 357955, 385490, 501137, 699389, 715910, 770980, 1002274, 1398778, 1431820, 2004548, 2505685, 2797556, 3496945, 4895723, 5011370, 6993890, 9092057, 9791446, 10022740, 13987780, 18184114, 19582892, 24478615, 36368228, 45460285, 48957230, 63644399, 90920570, 97914460, 127288798, 181841140, 254577596, 318221995, 636443990, 1272887980]

約数ペア:

[(1, 1272887980), (2, 636443990), (4, 318221995), (5, 254577596), (7, 181841140), (10, 127288798), (13, 97914460), (14, 90920570), (20, 63644399), (26, 48957230), (28, 45460285), (35, 36368228), (52, 24478615), (65, 19582892), (70, 18184114), (91, 13987780), (127, 10022740), (130, 9791446), (140, 9092057), (182, 6993890), (254, 5011370), (260, 4895723), (364, 3496945), (455, 2797556), (508, 2505685), (635, 2004548), (889, 1431820), (910, 1398778), (1270, 1002274), (1651, 770980), (1778, 715910), (1820, 699389), (2540, 501137), (3302, 385490), (3556, 357955), (4445, 286364), (5507, 231140), (6604, 192745), (8255, 154196), (8890, 143182), (11014, 115570), (11557, 110140), (16510, 77098), (17780, 71591), (22028, 57785), (23114, 55070), (27535, 46228), (33020, 38549)]