315126656

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:248

約数の個数: 128

約数和(自身を含む): 719712000

約数和(自身を除く): 404585344

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 41, 52, 62, 64, 82, 104, 124, 128, 149, 164, 208, 248, 298, 328, 403, 416, 496, 533, 596, 656, 806, 832, 992, 1066, 1192, 1271, 1312, 1612, 1664, 1937, 1984, 2132, 2384, 2542, 2624, 3224, 3874, 3968, 4264, 4619, 4768, 5084, 5248, 6109, 6448, 7748, 8528, 9238, 9536, 10168, 12218, 12896, 15496, 16523, 17056, 18476, 19072, 20336, 24436, 25792, 30992, 33046, 34112, 36952, 40672, 48872, 51584, 60047, 61984, 66092, 68224, 73904, 79417, 81344, 97744, 120094, 123968, 132184, 147808, 158834, 162688, 189379, 195488, 240188, 247936, 264368, 295616, 317668, 378758, 390976, 480376, 528736, 591232, 635336, 757516, 781952, 960752, 1057472, 1270672, 1515032, 1921504, 2114944, 2461927, 2541344, 3030064, 3843008, 4923854, 5082688, 6060128, 7686016, 9847708, 10165376, 12120256, 19695416, 24240512, 39390832, 78781664, 157563328, 315126656]

約数ペア:

[(1, 315126656), (2, 157563328), (4, 78781664), (8, 39390832), (13, 24240512), (16, 19695416), (26, 12120256), (31, 10165376), (32, 9847708), (41, 7686016), (52, 6060128), (62, 5082688), (64, 4923854), (82, 3843008), (104, 3030064), (124, 2541344), (128, 2461927), (149, 2114944), (164, 1921504), (208, 1515032), (248, 1270672), (298, 1057472), (328, 960752), (403, 781952), (416, 757516), (496, 635336), (533, 591232), (596, 528736), (656, 480376), (806, 390976), (832, 378758), (992, 317668), (1066, 295616), (1192, 264368), (1271, 247936), (1312, 240188), (1612, 195488), (1664, 189379), (1937, 162688), (1984, 158834), (2132, 147808), (2384, 132184), (2542, 123968), (2624, 120094), (3224, 97744), (3874, 81344), (3968, 79417), (4264, 73904), (4619, 68224), (4768, 66092), (5084, 61984), (5248, 60047), (6109, 51584), (6448, 48872), (7748, 40672), (8528, 36952), (9238, 34112), (9536, 33046), (10168, 30992), (12218, 25792), (12896, 24436), (15496, 20336), (16523, 19072), (17056, 18476)]