68011520

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{857}}^1$

素因数の和:911

約数の個数: 80

約数和(自身を含む): 168524928

約数和(自身を除く): 100513408

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, 857, 992, 1240, 1280, 1714, 1984, 2480, 2560, 3428, 3968, 4285, 4960, 6856, 7936, 8570, 9920, 13712, 15872, 17140, 19840, 26567, 27424, 34280, 39680, 53134, 54848, 68560, 79360, 106268, 109696, 132835, 137120, 212536, 219392, 265670, 274240, 425072, 438784, 531340, 548480, 850144, 1062680, 1096960, 1700288, 2125360, 2193920, 3400576, 4250720, 6801152, 8501440, 13602304, 17002880, 34005760, 68011520]

約数ペア:

[(1, 68011520), (2, 34005760), (4, 17002880), (5, 13602304), (8, 8501440), (10, 6801152), (16, 4250720), (20, 3400576), (31, 2193920), (32, 2125360), (40, 1700288), (62, 1096960), (64, 1062680), (80, 850144), (124, 548480), (128, 531340), (155, 438784), (160, 425072), (248, 274240), (256, 265670), (310, 219392), (320, 212536), (496, 137120), (512, 132835), (620, 109696), (640, 106268), (857, 79360), (992, 68560), (1240, 54848), (1280, 53134), (1714, 39680), (1984, 34280), (2480, 27424), (2560, 26567), (3428, 19840), (3968, 17140), (4285, 15872), (4960, 13712), (6856, 9920), (7936, 8570)]