128379420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{661}}^1$

素因数の和:772

約数の個数: 144

約数和(自身を含む): 425067552

約数和(自身を除く): 296688132

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, 83, 90, 117, 130, 156, 166, 180, 195, 234, 249, 260, 332, 390, 415, 468, 498, 585, 661, 747, 780, 830, 996, 1079, 1170, 1245, 1322, 1494, 1660, 1983, 2158, 2340, 2490, 2644, 2988, 3237, 3305, 3735, 3966, 4316, 4980, 5395, 5949, 6474, 6610, 7470, 7932, 8593, 9711, 9915, 10790, 11898, 12948, 13220, 14940, 16185, 17186, 19422, 19830, 21580, 23796, 25779, 29745, 32370, 34372, 38844, 39660, 42965, 48555, 51558, 54863, 59490, 64740, 77337, 85930, 97110, 103116, 109726, 118980, 128895, 154674, 164589, 171860, 194220, 219452, 257790, 274315, 309348, 329178, 386685, 493767, 515580, 548630, 658356, 713219, 773370, 822945, 987534, 1097260, 1426438, 1546740, 1645890, 1975068, 2139657, 2468835, 2852876, 3291780, 3566095, 4279314, 4937670, 6418971, 7132190, 8558628, 9875340, 10698285, 12837942, 14264380, 21396570, 25675884, 32094855, 42793140, 64189710, 128379420]

約数ペア:

[(1, 128379420), (2, 64189710), (3, 42793140), (4, 32094855), (5, 25675884), (6, 21396570), (9, 14264380), (10, 12837942), (12, 10698285), (13, 9875340), (15, 8558628), (18, 7132190), (20, 6418971), (26, 4937670), (30, 4279314), (36, 3566095), (39, 3291780), (45, 2852876), (52, 2468835), (60, 2139657), (65, 1975068), (78, 1645890), (83, 1546740), (90, 1426438), (117, 1097260), (130, 987534), (156, 822945), (166, 773370), (180, 713219), (195, 658356), (234, 548630), (249, 515580), (260, 493767), (332, 386685), (390, 329178), (415, 309348), (468, 274315), (498, 257790), (585, 219452), (661, 194220), (747, 171860), (780, 164589), (830, 154674), (996, 128895), (1079, 118980), (1170, 109726), (1245, 103116), (1322, 97110), (1494, 85930), (1660, 77337), (1983, 64740), (2158, 59490), (2340, 54863), (2490, 51558), (2644, 48555), (2988, 42965), (3237, 39660), (3305, 38844), (3735, 34372), (3966, 32370), (4316, 29745), (4980, 25779), (5395, 23796), (5949, 21580), (6474, 19830), (6610, 19422), (7470, 17186), (7932, 16185), (8593, 14940), (9711, 13220), (9915, 12948), (10790, 11898)]