78701868

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:338

約数の個数: 144

約数和(自身を含む): 242161920

約数和(自身を除く): 163460052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 43, 54, 63, 81, 84, 86, 108, 126, 129, 162, 172, 189, 243, 252, 258, 269, 301, 324, 378, 387, 486, 516, 538, 567, 602, 756, 774, 807, 903, 972, 1076, 1134, 1161, 1204, 1548, 1614, 1701, 1806, 1883, 2268, 2322, 2421, 2709, 3228, 3402, 3483, 3612, 3766, 4644, 4842, 5418, 5649, 6804, 6966, 7263, 7532, 8127, 9684, 10449, 10836, 11298, 11567, 13932, 14526, 16254, 16947, 20898, 21789, 22596, 23134, 24381, 29052, 32508, 33894, 34701, 41796, 43578, 46268, 48762, 50841, 65367, 67788, 69402, 73143, 80969, 87156, 97524, 101682, 104103, 130734, 138804, 146286, 152523, 161938, 203364, 208206, 242907, 261468, 292572, 305046, 312309, 323876, 416412, 457569, 485814, 610092, 624618, 728721, 915138, 936927, 971628, 1249236, 1457442, 1830276, 1873854, 2186163, 2810781, 2914884, 3747708, 4372326, 5621562, 6558489, 8744652, 11243124, 13116978, 19675467, 26233956, 39350934, 78701868]

約数ペア:

[(1, 78701868), (2, 39350934), (3, 26233956), (4, 19675467), (6, 13116978), (7, 11243124), (9, 8744652), (12, 6558489), (14, 5621562), (18, 4372326), (21, 3747708), (27, 2914884), (28, 2810781), (36, 2186163), (42, 1873854), (43, 1830276), (54, 1457442), (63, 1249236), (81, 971628), (84, 936927), (86, 915138), (108, 728721), (126, 624618), (129, 610092), (162, 485814), (172, 457569), (189, 416412), (243, 323876), (252, 312309), (258, 305046), (269, 292572), (301, 261468), (324, 242907), (378, 208206), (387, 203364), (486, 161938), (516, 152523), (538, 146286), (567, 138804), (602, 130734), (756, 104103), (774, 101682), (807, 97524), (903, 87156), (972, 80969), (1076, 73143), (1134, 69402), (1161, 67788), (1204, 65367), (1548, 50841), (1614, 48762), (1701, 46268), (1806, 43578), (1883, 41796), (2268, 34701), (2322, 33894), (2421, 32508), (2709, 29052), (3228, 24381), (3402, 23134), (3483, 22596), (3612, 21789), (3766, 20898), (4644, 16947), (4842, 16254), (5418, 14526), (5649, 13932), (6804, 11567), (6966, 11298), (7263, 10836), (7532, 10449), (8127, 9684)]