78818520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{71}}^1$

素因数の和:154

約数の個数: 192

約数和(自身を含む): 270915840

約数和(自身を除く): 192097320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 29, 30, 33, 40, 44, 55, 58, 60, 66, 71, 87, 88, 110, 116, 120, 132, 142, 145, 165, 174, 213, 220, 232, 264, 284, 290, 319, 330, 348, 355, 426, 435, 440, 568, 580, 638, 660, 696, 710, 781, 841, 852, 870, 957, 1065, 1160, 1276, 1320, 1420, 1562, 1595, 1682, 1704, 1740, 1914, 2059, 2130, 2343, 2523, 2552, 2840, 3124, 3190, 3364, 3480, 3828, 3905, 4118, 4205, 4260, 4686, 4785, 5046, 6177, 6248, 6380, 6728, 7656, 7810, 8236, 8410, 8520, 9251, 9372, 9570, 10092, 10295, 11715, 12354, 12615, 12760, 15620, 16472, 16820, 18502, 18744, 19140, 20184, 20590, 22649, 23430, 24708, 25230, 27753, 30885, 31240, 33640, 37004, 38280, 41180, 45298, 46255, 46860, 49416, 50460, 55506, 59711, 61770, 67947, 74008, 82360, 90596, 92510, 93720, 100920, 111012, 113245, 119422, 123540, 135894, 138765, 179133, 181192, 185020, 222024, 226490, 238844, 247080, 271788, 277530, 298555, 339735, 358266, 370040, 452980, 477688, 543576, 555060, 597110, 656821, 679470, 716532, 895665, 905960, 1110120, 1194220, 1313642, 1358940, 1433064, 1791330, 1970463, 2388440, 2627284, 2717880, 3284105, 3582660, 3940926, 5254568, 6568210, 7165320, 7881852, 9852315, 13136420, 15763704, 19704630, 26272840, 39409260, 78818520]

約数ペア:

[(1, 78818520), (2, 39409260), (3, 26272840), (4, 19704630), (5, 15763704), (6, 13136420), (8, 9852315), (10, 7881852), (11, 7165320), (12, 6568210), (15, 5254568), (20, 3940926), (22, 3582660), (24, 3284105), (29, 2717880), (30, 2627284), (33, 2388440), (40, 1970463), (44, 1791330), (55, 1433064), (58, 1358940), (60, 1313642), (66, 1194220), (71, 1110120), (87, 905960), (88, 895665), (110, 716532), (116, 679470), (120, 656821), (132, 597110), (142, 555060), (145, 543576), (165, 477688), (174, 452980), (213, 370040), (220, 358266), (232, 339735), (264, 298555), (284, 277530), (290, 271788), (319, 247080), (330, 238844), (348, 226490), (355, 222024), (426, 185020), (435, 181192), (440, 179133), (568, 138765), (580, 135894), (638, 123540), (660, 119422), (696, 113245), (710, 111012), (781, 100920), (841, 93720), (852, 92510), (870, 90596), (957, 82360), (1065, 74008), (1160, 67947), (1276, 61770), (1320, 59711), (1420, 55506), (1562, 50460), (1595, 49416), (1682, 46860), (1704, 46255), (1740, 45298), (1914, 41180), (2059, 38280), (2130, 37004), (2343, 33640), (2523, 31240), (2552, 30885), (2840, 27753), (3124, 25230), (3190, 24708), (3364, 23430), (3480, 22649), (3828, 20590), (3905, 20184), (4118, 19140), (4205, 18744), (4260, 18502), (4686, 16820), (4785, 16472), (5046, 15620), (6177, 12760), (6248, 12615), (6380, 12354), (6728, 11715), (7656, 10295), (7810, 10092), (8236, 9570), (8410, 9372), (8520, 9251)]