66988160

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:214

約数の個数: 128

約数和(自身を含む): 174493440

約数和(自身を除く): 107505280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 47, 64, 68, 80, 85, 94, 128, 131, 136, 160, 170, 188, 235, 262, 272, 320, 340, 376, 470, 524, 544, 640, 655, 680, 752, 799, 940, 1048, 1088, 1310, 1360, 1504, 1598, 1880, 2096, 2176, 2227, 2620, 2720, 3008, 3196, 3760, 3995, 4192, 4454, 5240, 5440, 6016, 6157, 6392, 7520, 7990, 8384, 8908, 10480, 10880, 11135, 12314, 12784, 15040, 15980, 16768, 17816, 20960, 22270, 24628, 25568, 30080, 30785, 31960, 35632, 41920, 44540, 49256, 51136, 61570, 63920, 71264, 83840, 89080, 98512, 102272, 104669, 123140, 127840, 142528, 178160, 197024, 209338, 246280, 255680, 285056, 356320, 394048, 418676, 492560, 511360, 523345, 712640, 788096, 837352, 985120, 1046690, 1425280, 1674704, 1970240, 2093380, 3349408, 3940480, 4186760, 6698816, 8373520, 13397632, 16747040, 33494080, 66988160]

約数ペア:

[(1, 66988160), (2, 33494080), (4, 16747040), (5, 13397632), (8, 8373520), (10, 6698816), (16, 4186760), (17, 3940480), (20, 3349408), (32, 2093380), (34, 1970240), (40, 1674704), (47, 1425280), (64, 1046690), (68, 985120), (80, 837352), (85, 788096), (94, 712640), (128, 523345), (131, 511360), (136, 492560), (160, 418676), (170, 394048), (188, 356320), (235, 285056), (262, 255680), (272, 246280), (320, 209338), (340, 197024), (376, 178160), (470, 142528), (524, 127840), (544, 123140), (640, 104669), (655, 102272), (680, 98512), (752, 89080), (799, 83840), (940, 71264), (1048, 63920), (1088, 61570), (1310, 51136), (1360, 49256), (1504, 44540), (1598, 41920), (1880, 35632), (2096, 31960), (2176, 30785), (2227, 30080), (2620, 25568), (2720, 24628), (3008, 22270), (3196, 20960), (3760, 17816), (3995, 16768), (4192, 15980), (4454, 15040), (5240, 12784), (5440, 12314), (6016, 11135), (6157, 10880), (6392, 10480), (7520, 8908), (7990, 8384)]