1279256940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{546691}}^1$

素因数の和:546719

約数の個数: 72

約数和(自身を含む): 4178913648

約数和(自身を除く): 2899656708

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, 546691, 1093382, 1640073, 2186764, 2733455, 3280146, 4920219, 5466910, 6560292, 7106983, 8200365, 9840438, 10933820, 14213966, 16400730, 19680876, 21320949, 24601095, 28427932, 32801460, 35534915, 42641898, 49202190, 63962847, 71069830, 85283796, 98404380, 106604745, 127925694, 142139660, 213209490, 255851388, 319814235, 426418980, 639628470, 1279256940]

約数ペア:

[(1, 1279256940), (2, 639628470), (3, 426418980), (4, 319814235), (5, 255851388), (6, 213209490), (9, 142139660), (10, 127925694), (12, 106604745), (13, 98404380), (15, 85283796), (18, 71069830), (20, 63962847), (26, 49202190), (30, 42641898), (36, 35534915), (39, 32801460), (45, 28427932), (52, 24601095), (60, 21320949), (65, 19680876), (78, 16400730), (90, 14213966), (117, 10933820), (130, 9840438), (156, 8200365), (180, 7106983), (195, 6560292), (234, 5466910), (260, 4920219), (390, 3280146), (468, 2733455), (585, 2186764), (780, 1640073), (1170, 1093382), (2340, 546691)]