138165760

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1741}}^1$

素因数の和:1795

約数の個数: 80

約数和(自身を含む): 342156672

約数和(自身を除く): 203990912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1741, 1984, 2480, 2560, 3482, 3968, 4960, 6964, 7936, 8705, 9920, 13928, 15872, 17410, 19840, 27856, 34820, 39680, 53971, 55712, 69640, 79360, 107942, 111424, 139280, 215884, 222848, 269855, 278560, 431768, 445696, 539710, 557120, 863536, 891392, 1079420, 1114240, 1727072, 2158840, 2228480, 3454144, 4317680, 4456960, 6908288, 8635360, 13816576, 17270720, 27633152, 34541440, 69082880, 138165760]

約数ペア:

[(1, 138165760), (2, 69082880), (4, 34541440), (5, 27633152), (8, 17270720), (10, 13816576), (16, 8635360), (20, 6908288), (31, 4456960), (32, 4317680), (40, 3454144), (62, 2228480), (64, 2158840), (80, 1727072), (124, 1114240), (128, 1079420), (155, 891392), (160, 863536), (248, 557120), (256, 539710), (310, 445696), (320, 431768), (496, 278560), (512, 269855), (620, 222848), (640, 215884), (992, 139280), (1240, 111424), (1280, 107942), (1741, 79360), (1984, 69640), (2480, 55712), (2560, 53971), (3482, 39680), (3968, 34820), (4960, 27856), (6964, 19840), (7936, 17410), (8705, 15872), (9920, 13928)]