639658944

素因数分解:

$2^6\times 3^4\times {\mathrm{163}}^1\times {\mathrm{757}}^1$

素因数の和:944

約数の個数: 140

約数和(自身を含む): 1910302504

約数和(自身を除く): 1270643560

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 144, 162, 163, 192, 216, 288, 324, 326, 432, 489, 576, 648, 652, 757, 864, 978, 1296, 1304, 1467, 1514, 1728, 1956, 2271, 2592, 2608, 2934, 3028, 3912, 4401, 4542, 5184, 5216, 5868, 6056, 6813, 7824, 8802, 9084, 10432, 11736, 12112, 13203, 13626, 15648, 17604, 18168, 20439, 23472, 24224, 26406, 27252, 31296, 35208, 36336, 40878, 46944, 48448, 52812, 54504, 61317, 70416, 72672, 81756, 93888, 105624, 109008, 122634, 123391, 140832, 145344, 163512, 211248, 218016, 245268, 246782, 281664, 327024, 370173, 422496, 436032, 490536, 493564, 654048, 740346, 844992, 981072, 987128, 1110519, 1308096, 1480692, 1962144, 1974256, 2221038, 2961384, 3331557, 3924288, 3948512, 4442076, 5922768, 6663114, 7897024, 8884152, 9994671, 11845536, 13326228, 17768304, 19989342, 23691072, 26652456, 35536608, 39978684, 53304912, 71073216, 79957368, 106609824, 159914736, 213219648, 319829472, 639658944]

約数ペア:

[(1, 639658944), (2, 319829472), (3, 213219648), (4, 159914736), (6, 106609824), (8, 79957368), (9, 71073216), (12, 53304912), (16, 39978684), (18, 35536608), (24, 26652456), (27, 23691072), (32, 19989342), (36, 17768304), (48, 13326228), (54, 11845536), (64, 9994671), (72, 8884152), (81, 7897024), (96, 6663114), (108, 5922768), (144, 4442076), (162, 3948512), (163, 3924288), (192, 3331557), (216, 2961384), (288, 2221038), (324, 1974256), (326, 1962144), (432, 1480692), (489, 1308096), (576, 1110519), (648, 987128), (652, 981072), (757, 844992), (864, 740346), (978, 654048), (1296, 493564), (1304, 490536), (1467, 436032), (1514, 422496), (1728, 370173), (1956, 327024), (2271, 281664), (2592, 246782), (2608, 245268), (2934, 218016), (3028, 211248), (3912, 163512), (4401, 145344), (4542, 140832), (5184, 123391), (5216, 122634), (5868, 109008), (6056, 105624), (6813, 93888), (7824, 81756), (8802, 72672), (9084, 70416), (10432, 61317), (11736, 54504), (12112, 52812), (13203, 48448), (13626, 46944), (15648, 40878), (17604, 36336), (18168, 35208), (20439, 31296), (23472, 27252), (24224, 26406)]