66509820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:732

約数の個数: 144

約数和(自身を含む): 222654432

約数和(自身を除く): 156144612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 43, 45, 52, 60, 65, 78, 86, 90, 117, 129, 130, 156, 172, 180, 195, 215, 234, 258, 260, 387, 390, 430, 468, 516, 559, 585, 645, 661, 774, 780, 860, 1118, 1170, 1290, 1322, 1548, 1677, 1935, 1983, 2236, 2340, 2580, 2644, 2795, 3305, 3354, 3870, 3966, 5031, 5590, 5949, 6610, 6708, 7740, 7932, 8385, 8593, 9915, 10062, 11180, 11898, 13220, 16770, 17186, 19830, 20124, 23796, 25155, 25779, 28423, 29745, 33540, 34372, 39660, 42965, 50310, 51558, 56846, 59490, 77337, 85269, 85930, 100620, 103116, 113692, 118980, 128895, 142115, 154674, 170538, 171860, 255807, 257790, 284230, 309348, 341076, 369499, 386685, 426345, 511614, 515580, 568460, 738998, 773370, 852690, 1023228, 1108497, 1279035, 1477996, 1546740, 1705380, 1847495, 2216994, 2558070, 3325491, 3694990, 4433988, 5116140, 5542485, 6650982, 7389980, 11084970, 13301964, 16627455, 22169940, 33254910, 66509820]

約数ペア:

[(1, 66509820), (2, 33254910), (3, 22169940), (4, 16627455), (5, 13301964), (6, 11084970), (9, 7389980), (10, 6650982), (12, 5542485), (13, 5116140), (15, 4433988), (18, 3694990), (20, 3325491), (26, 2558070), (30, 2216994), (36, 1847495), (39, 1705380), (43, 1546740), (45, 1477996), (52, 1279035), (60, 1108497), (65, 1023228), (78, 852690), (86, 773370), (90, 738998), (117, 568460), (129, 515580), (130, 511614), (156, 426345), (172, 386685), (180, 369499), (195, 341076), (215, 309348), (234, 284230), (258, 257790), (260, 255807), (387, 171860), (390, 170538), (430, 154674), (468, 142115), (516, 128895), (559, 118980), (585, 113692), (645, 103116), (661, 100620), (774, 85930), (780, 85269), (860, 77337), (1118, 59490), (1170, 56846), (1290, 51558), (1322, 50310), (1548, 42965), (1677, 39660), (1935, 34372), (1983, 33540), (2236, 29745), (2340, 28423), (2580, 25779), (2644, 25155), (2795, 23796), (3305, 20124), (3354, 19830), (3870, 17186), (3966, 16770), (5031, 13220), (5590, 11898), (5949, 11180), (6610, 10062), (6708, 9915), (7740, 8593), (7932, 8385)]