257702256

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2749}}^1$

素因数の和:2804

約数の個数: 160

約数和(自身を含む): 872960000

約数和(自身を除く): 615257744

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 31, 36, 42, 48, 54, 56, 62, 63, 72, 84, 93, 108, 112, 124, 126, 144, 168, 186, 189, 216, 217, 248, 252, 279, 336, 372, 378, 432, 434, 496, 504, 558, 651, 744, 756, 837, 868, 1008, 1116, 1302, 1488, 1512, 1674, 1736, 1953, 2232, 2604, 2749, 3024, 3348, 3472, 3906, 4464, 5208, 5498, 5859, 6696, 7812, 8247, 10416, 10996, 11718, 13392, 15624, 16494, 19243, 21992, 23436, 24741, 31248, 32988, 38486, 43984, 46872, 49482, 57729, 65976, 74223, 76972, 85219, 93744, 98964, 115458, 131952, 148446, 153944, 170438, 173187, 197928, 230916, 255657, 296892, 307888, 340876, 346374, 395856, 461832, 511314, 519561, 593784, 596533, 681752, 692748, 766971, 923664, 1022628, 1039122, 1187568, 1193066, 1363504, 1385496, 1533942, 1789599, 2045256, 2078244, 2300913, 2386132, 2770992, 3067884, 3579198, 4090512, 4156488, 4601826, 4772264, 5368797, 6135768, 7158396, 8312976, 9203652, 9544528, 10737594, 12271536, 14316792, 16106391, 18407304, 21475188, 28633584, 32212782, 36814608, 42950376, 64425564, 85900752, 128851128, 257702256]

約数ペア:

[(1, 257702256), (2, 128851128), (3, 85900752), (4, 64425564), (6, 42950376), (7, 36814608), (8, 32212782), (9, 28633584), (12, 21475188), (14, 18407304), (16, 16106391), (18, 14316792), (21, 12271536), (24, 10737594), (27, 9544528), (28, 9203652), (31, 8312976), (36, 7158396), (42, 6135768), (48, 5368797), (54, 4772264), (56, 4601826), (62, 4156488), (63, 4090512), (72, 3579198), (84, 3067884), (93, 2770992), (108, 2386132), (112, 2300913), (124, 2078244), (126, 2045256), (144, 1789599), (168, 1533942), (186, 1385496), (189, 1363504), (216, 1193066), (217, 1187568), (248, 1039122), (252, 1022628), (279, 923664), (336, 766971), (372, 692748), (378, 681752), (432, 596533), (434, 593784), (496, 519561), (504, 511314), (558, 461832), (651, 395856), (744, 346374), (756, 340876), (837, 307888), (868, 296892), (1008, 255657), (1116, 230916), (1302, 197928), (1488, 173187), (1512, 170438), (1674, 153944), (1736, 148446), (1953, 131952), (2232, 115458), (2604, 98964), (2749, 93744), (3024, 85219), (3348, 76972), (3472, 74223), (3906, 65976), (4464, 57729), (5208, 49482), (5498, 46872), (5859, 43984), (6696, 38486), (7812, 32988), (8247, 31248), (10416, 24741), (10996, 23436), (11718, 21992), (13392, 19243), (15624, 16494)]