86811520

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:216

約数の個数: 128

約数和(自身を含む): 224726400

約数和(自身を除く): 137914880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 79, 80, 85, 101, 128, 136, 158, 160, 170, 202, 272, 316, 320, 340, 395, 404, 505, 544, 632, 640, 680, 790, 808, 1010, 1088, 1264, 1343, 1360, 1580, 1616, 1717, 2020, 2176, 2528, 2686, 2720, 3160, 3232, 3434, 4040, 5056, 5372, 5440, 6320, 6464, 6715, 6868, 7979, 8080, 8585, 10112, 10744, 10880, 12640, 12928, 13430, 13736, 15958, 16160, 17170, 21488, 25280, 26860, 27472, 31916, 32320, 34340, 39895, 42976, 50560, 53720, 54944, 63832, 64640, 68680, 79790, 85952, 107440, 109888, 127664, 135643, 137360, 159580, 171904, 214880, 219776, 255328, 271286, 274720, 319160, 429760, 510656, 542572, 549440, 638320, 678215, 859520, 1021312, 1085144, 1098880, 1276640, 1356430, 2170288, 2553280, 2712860, 4340576, 5106560, 5425720, 8681152, 10851440, 17362304, 21702880, 43405760, 86811520]

約数ペア:

[(1, 86811520), (2, 43405760), (4, 21702880), (5, 17362304), (8, 10851440), (10, 8681152), (16, 5425720), (17, 5106560), (20, 4340576), (32, 2712860), (34, 2553280), (40, 2170288), (64, 1356430), (68, 1276640), (79, 1098880), (80, 1085144), (85, 1021312), (101, 859520), (128, 678215), (136, 638320), (158, 549440), (160, 542572), (170, 510656), (202, 429760), (272, 319160), (316, 274720), (320, 271286), (340, 255328), (395, 219776), (404, 214880), (505, 171904), (544, 159580), (632, 137360), (640, 135643), (680, 127664), (790, 109888), (808, 107440), (1010, 85952), (1088, 79790), (1264, 68680), (1343, 64640), (1360, 63832), (1580, 54944), (1616, 53720), (1717, 50560), (2020, 42976), (2176, 39895), (2528, 34340), (2686, 32320), (2720, 31916), (3160, 27472), (3232, 26860), (3434, 25280), (4040, 21488), (5056, 17170), (5372, 16160), (5440, 15958), (6320, 13736), (6464, 13430), (6715, 12928), (6868, 12640), (7979, 10880), (8080, 10744), (8585, 10112)]