640415232

素因数分解:

$2^9\times 3^2\times {\mathrm{47}}^1\times {\mathrm{2957}}^1$

素因数の和:3028

約数の個数: 120

約数和(自身を含む): 1888245216

約数和(自身を除く): 1247829984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 47, 48, 64, 72, 94, 96, 128, 141, 144, 188, 192, 256, 282, 288, 376, 384, 423, 512, 564, 576, 752, 768, 846, 1128, 1152, 1504, 1536, 1692, 2256, 2304, 2957, 3008, 3384, 4512, 4608, 5914, 6016, 6768, 8871, 9024, 11828, 12032, 13536, 17742, 18048, 23656, 24064, 26613, 27072, 35484, 36096, 47312, 53226, 54144, 70968, 72192, 94624, 106452, 108288, 138979, 141936, 189248, 212904, 216576, 277958, 283872, 378496, 416937, 425808, 555916, 567744, 756992, 833874, 851616, 1111832, 1135488, 1250811, 1513984, 1667748, 1703232, 2223664, 2270976, 2501622, 3335496, 3406464, 4447328, 4541952, 5003244, 6670992, 6812928, 8894656, 10006488, 13341984, 13625856, 17789312, 20012976, 26683968, 35578624, 40025952, 53367936, 71157248, 80051904, 106735872, 160103808, 213471744, 320207616, 640415232]

約数ペア:

[(1, 640415232), (2, 320207616), (3, 213471744), (4, 160103808), (6, 106735872), (8, 80051904), (9, 71157248), (12, 53367936), (16, 40025952), (18, 35578624), (24, 26683968), (32, 20012976), (36, 17789312), (47, 13625856), (48, 13341984), (64, 10006488), (72, 8894656), (94, 6812928), (96, 6670992), (128, 5003244), (141, 4541952), (144, 4447328), (188, 3406464), (192, 3335496), (256, 2501622), (282, 2270976), (288, 2223664), (376, 1703232), (384, 1667748), (423, 1513984), (512, 1250811), (564, 1135488), (576, 1111832), (752, 851616), (768, 833874), (846, 756992), (1128, 567744), (1152, 555916), (1504, 425808), (1536, 416937), (1692, 378496), (2256, 283872), (2304, 277958), (2957, 216576), (3008, 212904), (3384, 189248), (4512, 141936), (4608, 138979), (5914, 108288), (6016, 106452), (6768, 94624), (8871, 72192), (9024, 70968), (11828, 54144), (12032, 53226), (13536, 47312), (17742, 36096), (18048, 35484), (23656, 27072), (24064, 26613)]