81186768

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1399}}^1$

素因数の和:1457

約数の個数: 120

約数和(自身を含む): 252761600

約数和(自身を除く): 171574832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 31, 36, 39, 48, 52, 62, 72, 78, 93, 104, 117, 124, 144, 156, 186, 208, 234, 248, 279, 312, 372, 403, 468, 496, 558, 624, 744, 806, 936, 1116, 1209, 1399, 1488, 1612, 1872, 2232, 2418, 2798, 3224, 3627, 4197, 4464, 4836, 5596, 6448, 7254, 8394, 9672, 11192, 12591, 14508, 16788, 18187, 19344, 22384, 25182, 29016, 33576, 36374, 43369, 50364, 54561, 58032, 67152, 72748, 86738, 100728, 109122, 130107, 145496, 163683, 173476, 201456, 218244, 260214, 290992, 327366, 346952, 390321, 436488, 520428, 563797, 654732, 693904, 780642, 872976, 1040856, 1127594, 1309464, 1561284, 1691391, 2081712, 2255188, 2618928, 3122568, 3382782, 4510376, 5074173, 6245136, 6765564, 9020752, 10148346, 13531128, 20296692, 27062256, 40593384, 81186768]

約数ペア:

[(1, 81186768), (2, 40593384), (3, 27062256), (4, 20296692), (6, 13531128), (8, 10148346), (9, 9020752), (12, 6765564), (13, 6245136), (16, 5074173), (18, 4510376), (24, 3382782), (26, 3122568), (31, 2618928), (36, 2255188), (39, 2081712), (48, 1691391), (52, 1561284), (62, 1309464), (72, 1127594), (78, 1040856), (93, 872976), (104, 780642), (117, 693904), (124, 654732), (144, 563797), (156, 520428), (186, 436488), (208, 390321), (234, 346952), (248, 327366), (279, 290992), (312, 260214), (372, 218244), (403, 201456), (468, 173476), (496, 163683), (558, 145496), (624, 130107), (744, 109122), (806, 100728), (936, 86738), (1116, 72748), (1209, 67152), (1399, 58032), (1488, 54561), (1612, 50364), (1872, 43369), (2232, 36374), (2418, 33576), (2798, 29016), (3224, 25182), (3627, 22384), (4197, 19344), (4464, 18187), (4836, 16788), (5596, 14508), (6448, 12591), (7254, 11192), (8394, 9672)]