178357680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1163}}^1$

素因数の和:1256

約数の個数: 160

約数和(自身を含む): 623531520

約数和(自身を除く): 445173840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 71, 72, 80, 90, 108, 120, 135, 142, 144, 180, 213, 216, 240, 270, 284, 355, 360, 426, 432, 540, 568, 639, 710, 720, 852, 1065, 1080, 1136, 1163, 1278, 1420, 1704, 1917, 2130, 2160, 2326, 2556, 2840, 3195, 3408, 3489, 3834, 4260, 4652, 5112, 5680, 5815, 6390, 6978, 7668, 8520, 9304, 9585, 10224, 10467, 11630, 12780, 13956, 15336, 17040, 17445, 18608, 19170, 20934, 23260, 25560, 27912, 30672, 31401, 34890, 38340, 41868, 46520, 51120, 52335, 55824, 62802, 69780, 76680, 82573, 83736, 93040, 104670, 125604, 139560, 153360, 157005, 165146, 167472, 209340, 247719, 251208, 279120, 314010, 330292, 412865, 418680, 495438, 502416, 628020, 660584, 743157, 825730, 837360, 990876, 1238595, 1256040, 1321168, 1486314, 1651460, 1981752, 2229471, 2477190, 2512080, 2972628, 3302920, 3715785, 3963504, 4458942, 4954380, 5945256, 6605840, 7431570, 8917884, 9908760, 11147355, 11890512, 14863140, 17835768, 19817520, 22294710, 29726280, 35671536, 44589420, 59452560, 89178840, 178357680]

約数ペア:

[(1, 178357680), (2, 89178840), (3, 59452560), (4, 44589420), (5, 35671536), (6, 29726280), (8, 22294710), (9, 19817520), (10, 17835768), (12, 14863140), (15, 11890512), (16, 11147355), (18, 9908760), (20, 8917884), (24, 7431570), (27, 6605840), (30, 5945256), (36, 4954380), (40, 4458942), (45, 3963504), (48, 3715785), (54, 3302920), (60, 2972628), (71, 2512080), (72, 2477190), (80, 2229471), (90, 1981752), (108, 1651460), (120, 1486314), (135, 1321168), (142, 1256040), (144, 1238595), (180, 990876), (213, 837360), (216, 825730), (240, 743157), (270, 660584), (284, 628020), (355, 502416), (360, 495438), (426, 418680), (432, 412865), (540, 330292), (568, 314010), (639, 279120), (710, 251208), (720, 247719), (852, 209340), (1065, 167472), (1080, 165146), (1136, 157005), (1163, 153360), (1278, 139560), (1420, 125604), (1704, 104670), (1917, 93040), (2130, 83736), (2160, 82573), (2326, 76680), (2556, 69780), (2840, 62802), (3195, 55824), (3408, 52335), (3489, 51120), (3834, 46520), (4260, 41868), (4652, 38340), (5112, 34890), (5680, 31401), (5815, 30672), (6390, 27912), (6978, 25560), (7668, 23260), (8520, 20934), (9304, 19170), (9585, 18608), (10224, 17445), (10467, 17040), (11630, 15336), (12780, 13956)]