71887788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:276

約数の個数: 144

約数和(自身を含む): 220846080

約数和(自身を除く): 148958292

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 79, 84, 92, 126, 138, 157, 158, 161, 207, 237, 252, 276, 314, 316, 322, 414, 471, 474, 483, 553, 628, 644, 711, 828, 942, 948, 966, 1099, 1106, 1413, 1422, 1449, 1659, 1817, 1884, 1932, 2198, 2212, 2826, 2844, 2898, 3297, 3318, 3611, 3634, 4396, 4977, 5451, 5652, 5796, 6594, 6636, 7222, 7268, 9891, 9954, 10833, 10902, 12403, 12719, 13188, 14444, 16353, 19782, 19908, 21666, 21804, 24806, 25277, 25438, 32499, 32706, 37209, 38157, 39564, 43332, 49612, 50554, 50876, 64998, 65412, 74418, 75831, 76314, 86821, 101108, 111627, 114471, 129996, 148836, 151662, 152628, 173642, 223254, 227493, 228942, 260463, 285269, 303324, 347284, 446508, 454986, 457884, 520926, 570538, 781389, 855807, 909972, 1041852, 1141076, 1562778, 1711614, 1996883, 2567421, 3125556, 3423228, 3993766, 5134842, 5990649, 7987532, 10269684, 11981298, 17971947, 23962596, 35943894, 71887788]

約数ペア:

[(1, 71887788), (2, 35943894), (3, 23962596), (4, 17971947), (6, 11981298), (7, 10269684), (9, 7987532), (12, 5990649), (14, 5134842), (18, 3993766), (21, 3423228), (23, 3125556), (28, 2567421), (36, 1996883), (42, 1711614), (46, 1562778), (63, 1141076), (69, 1041852), (79, 909972), (84, 855807), (92, 781389), (126, 570538), (138, 520926), (157, 457884), (158, 454986), (161, 446508), (207, 347284), (237, 303324), (252, 285269), (276, 260463), (314, 228942), (316, 227493), (322, 223254), (414, 173642), (471, 152628), (474, 151662), (483, 148836), (553, 129996), (628, 114471), (644, 111627), (711, 101108), (828, 86821), (942, 76314), (948, 75831), (966, 74418), (1099, 65412), (1106, 64998), (1413, 50876), (1422, 50554), (1449, 49612), (1659, 43332), (1817, 39564), (1884, 38157), (1932, 37209), (2198, 32706), (2212, 32499), (2826, 25438), (2844, 25277), (2898, 24806), (3297, 21804), (3318, 21666), (3611, 19908), (3634, 19782), (4396, 16353), (4977, 14444), (5451, 13188), (5652, 12719), (5796, 12403), (6594, 10902), (6636, 10833), (7222, 9954), (7268, 9891)]