1291258540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{6359}}^1$

素因数の和:6463

約数の個数: 96

約数和(自身を含む): 3231083520

約数和(自身を除く): 1939824980

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 71, 110, 130, 142, 143, 220, 260, 284, 286, 355, 572, 710, 715, 781, 923, 1420, 1430, 1562, 1846, 2860, 3124, 3692, 3905, 4615, 6359, 7810, 9230, 10153, 12718, 15620, 18460, 20306, 25436, 31795, 40612, 50765, 63590, 69949, 82667, 101530, 127180, 139898, 165334, 203060, 279796, 330668, 349745, 413335, 451489, 699490, 826670, 902978, 909337, 1398980, 1653340, 1805956, 1818674, 2257445, 3637348, 4514890, 4546685, 4966379, 5869357, 9029780, 9093370, 9932758, 11738714, 18186740, 19865516, 23477428, 24831895, 29346785, 49663790, 58693570, 64562927, 99327580, 117387140, 129125854, 258251708, 322814635, 645629270, 1291258540]

約数ペア:

[(1, 1291258540), (2, 645629270), (4, 322814635), (5, 258251708), (10, 129125854), (11, 117387140), (13, 99327580), (20, 64562927), (22, 58693570), (26, 49663790), (44, 29346785), (52, 24831895), (55, 23477428), (65, 19865516), (71, 18186740), (110, 11738714), (130, 9932758), (142, 9093370), (143, 9029780), (220, 5869357), (260, 4966379), (284, 4546685), (286, 4514890), (355, 3637348), (572, 2257445), (710, 1818674), (715, 1805956), (781, 1653340), (923, 1398980), (1420, 909337), (1430, 902978), (1562, 826670), (1846, 699490), (2860, 451489), (3124, 413335), (3692, 349745), (3905, 330668), (4615, 279796), (6359, 203060), (7810, 165334), (9230, 139898), (10153, 127180), (12718, 101530), (15620, 82667), (18460, 69949), (20306, 63590), (25436, 50765), (31795, 40612)]