65428740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27961}}^1$

素因数の和:27989

約数の個数: 72

約数和(自身を含む): 213741528

約数和(自身を除く): 148312788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 27961, 55922, 83883, 111844, 139805, 167766, 251649, 279610, 335532, 363493, 419415, 503298, 559220, 726986, 838830, 1006596, 1090479, 1258245, 1453972, 1677660, 1817465, 2180958, 2516490, 3271437, 3634930, 4361916, 5032980, 5452395, 6542874, 7269860, 10904790, 13085748, 16357185, 21809580, 32714370, 65428740]

約数ペア:

[(1, 65428740), (2, 32714370), (3, 21809580), (4, 16357185), (5, 13085748), (6, 10904790), (9, 7269860), (10, 6542874), (12, 5452395), (13, 5032980), (15, 4361916), (18, 3634930), (20, 3271437), (26, 2516490), (30, 2180958), (36, 1817465), (39, 1677660), (45, 1453972), (52, 1258245), (60, 1090479), (65, 1006596), (78, 838830), (90, 726986), (117, 559220), (130, 503298), (156, 419415), (180, 363493), (195, 335532), (234, 279610), (260, 251649), (390, 167766), (468, 139805), (585, 111844), (780, 83883), (1170, 55922), (2340, 27961)]