162172160

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 413640192

約数和(自身を除く): 251468032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 64, 67, 80, 122, 124, 128, 134, 155, 160, 244, 248, 256, 268, 305, 310, 320, 335, 488, 496, 536, 610, 620, 640, 670, 976, 992, 1072, 1220, 1240, 1280, 1340, 1891, 1952, 1984, 2077, 2144, 2440, 2480, 2680, 3782, 3904, 3968, 4087, 4154, 4288, 4880, 4960, 5360, 7564, 7808, 7936, 8174, 8308, 8576, 9455, 9760, 9920, 10385, 10720, 15128, 15616, 16348, 16616, 17152, 18910, 19520, 19840, 20435, 20770, 21440, 30256, 32696, 33232, 37820, 39040, 39680, 40870, 41540, 42880, 60512, 65392, 66464, 75640, 78080, 81740, 83080, 85760, 121024, 126697, 130784, 132928, 151280, 163480, 166160, 242048, 253394, 261568, 265856, 302560, 326960, 332320, 484096, 506788, 523136, 531712, 605120, 633485, 653920, 664640, 1013576, 1046272, 1210240, 1266970, 1307840, 1329280, 2027152, 2420480, 2533940, 2615680, 2658560, 4054304, 5067880, 5231360, 8108608, 10135760, 16217216, 20271520, 32434432, 40543040, 81086080, 162172160]

約数ペア:

[(1, 162172160), (2, 81086080), (4, 40543040), (5, 32434432), (8, 20271520), (10, 16217216), (16, 10135760), (20, 8108608), (31, 5231360), (32, 5067880), (40, 4054304), (61, 2658560), (62, 2615680), (64, 2533940), (67, 2420480), (80, 2027152), (122, 1329280), (124, 1307840), (128, 1266970), (134, 1210240), (155, 1046272), (160, 1013576), (244, 664640), (248, 653920), (256, 633485), (268, 605120), (305, 531712), (310, 523136), (320, 506788), (335, 484096), (488, 332320), (496, 326960), (536, 302560), (610, 265856), (620, 261568), (640, 253394), (670, 242048), (976, 166160), (992, 163480), (1072, 151280), (1220, 132928), (1240, 130784), (1280, 126697), (1340, 121024), (1891, 85760), (1952, 83080), (1984, 81740), (2077, 78080), (2144, 75640), (2440, 66464), (2480, 65392), (2680, 60512), (3782, 42880), (3904, 41540), (3968, 40870), (4087, 39680), (4154, 39040), (4288, 37820), (4880, 33232), (4960, 32696), (5360, 30256), (7564, 21440), (7808, 20770), (7936, 20435), (8174, 19840), (8308, 19520), (8576, 18910), (9455, 17152), (9760, 16616), (9920, 16348), (10385, 15616), (10720, 15128)]