640456992

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1949}}^1$

素因数の和:2135

約数の個数: 144

約数和(自身を含む): 2095329600

約数和(自身を除く): 1454872608

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 163, 168, 224, 252, 288, 326, 336, 489, 504, 652, 672, 978, 1008, 1141, 1304, 1467, 1949, 1956, 2016, 2282, 2608, 2934, 3423, 3898, 3912, 4564, 5216, 5847, 5868, 6846, 7796, 7824, 9128, 10269, 11694, 11736, 13643, 13692, 15592, 15648, 17541, 18256, 20538, 23388, 23472, 27286, 27384, 31184, 35082, 36512, 40929, 41076, 46776, 46944, 54572, 54768, 62368, 70164, 81858, 82152, 93552, 109144, 109536, 122787, 140328, 163716, 164304, 187104, 218288, 245574, 280656, 317687, 327432, 328608, 436576, 491148, 561312, 635374, 654864, 953061, 982296, 1270748, 1309728, 1906122, 1964592, 2223809, 2541496, 2859183, 3812244, 3929184, 4447618, 5082992, 5718366, 6671427, 7624488, 8895236, 10165984, 11436732, 13342854, 15248976, 17790472, 20014281, 22873464, 26685708, 30497952, 35580944, 40028562, 45746928, 53371416, 71161888, 80057124, 91493856, 106742832, 160114248, 213485664, 320228496, 640456992]

約数ペア:

[(1, 640456992), (2, 320228496), (3, 213485664), (4, 160114248), (6, 106742832), (7, 91493856), (8, 80057124), (9, 71161888), (12, 53371416), (14, 45746928), (16, 40028562), (18, 35580944), (21, 30497952), (24, 26685708), (28, 22873464), (32, 20014281), (36, 17790472), (42, 15248976), (48, 13342854), (56, 11436732), (63, 10165984), (72, 8895236), (84, 7624488), (96, 6671427), (112, 5718366), (126, 5082992), (144, 4447618), (163, 3929184), (168, 3812244), (224, 2859183), (252, 2541496), (288, 2223809), (326, 1964592), (336, 1906122), (489, 1309728), (504, 1270748), (652, 982296), (672, 953061), (978, 654864), (1008, 635374), (1141, 561312), (1304, 491148), (1467, 436576), (1949, 328608), (1956, 327432), (2016, 317687), (2282, 280656), (2608, 245574), (2934, 218288), (3423, 187104), (3898, 164304), (3912, 163716), (4564, 140328), (5216, 122787), (5847, 109536), (5868, 109144), (6846, 93552), (7796, 82152), (7824, 81858), (9128, 70164), (10269, 62368), (11694, 54768), (11736, 54572), (13643, 46944), (13692, 46776), (15592, 41076), (15648, 40929), (17541, 36512), (18256, 35082), (20538, 31184), (23388, 27384), (23472, 27286)]