81408240

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{739}}^1$

素因数の和:781

約数の個数: 200

約数和(自身を含む): 299779920

約数和(自身を除く): 218371680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 81, 85, 90, 102, 108, 120, 135, 136, 144, 153, 162, 170, 180, 204, 216, 240, 255, 270, 272, 306, 324, 340, 360, 405, 408, 432, 459, 510, 540, 612, 648, 680, 720, 739, 765, 810, 816, 918, 1020, 1080, 1224, 1296, 1360, 1377, 1478, 1530, 1620, 1836, 2040, 2160, 2217, 2295, 2448, 2754, 2956, 3060, 3240, 3672, 3695, 4080, 4434, 4590, 5508, 5912, 6120, 6480, 6651, 6885, 7344, 7390, 8868, 9180, 11016, 11085, 11824, 12240, 12563, 13302, 13770, 14780, 17736, 18360, 19953, 22032, 22170, 25126, 26604, 27540, 29560, 33255, 35472, 36720, 37689, 39906, 44340, 50252, 53208, 55080, 59120, 59859, 62815, 66510, 75378, 79812, 88680, 99765, 100504, 106416, 110160, 113067, 119718, 125630, 133020, 150756, 159624, 177360, 188445, 199530, 201008, 226134, 239436, 251260, 266040, 299295, 301512, 319248, 339201, 376890, 399060, 452268, 478872, 502520, 532080, 565335, 598590, 603024, 678402, 753780, 798120, 904536, 957744, 1005040, 1017603, 1130670, 1197180, 1356804, 1507560, 1596240, 1696005, 1809072, 2035206, 2261340, 2394360, 2713608, 3015120, 3392010, 4070412, 4522680, 4788720, 5088015, 5427216, 6784020, 8140824, 9045360, 10176030, 13568040, 16281648, 20352060, 27136080, 40704120, 81408240]

約数ペア:

[(1, 81408240), (2, 40704120), (3, 27136080), (4, 20352060), (5, 16281648), (6, 13568040), (8, 10176030), (9, 9045360), (10, 8140824), (12, 6784020), (15, 5427216), (16, 5088015), (17, 4788720), (18, 4522680), (20, 4070412), (24, 3392010), (27, 3015120), (30, 2713608), (34, 2394360), (36, 2261340), (40, 2035206), (45, 1809072), (48, 1696005), (51, 1596240), (54, 1507560), (60, 1356804), (68, 1197180), (72, 1130670), (80, 1017603), (81, 1005040), (85, 957744), (90, 904536), (102, 798120), (108, 753780), (120, 678402), (135, 603024), (136, 598590), (144, 565335), (153, 532080), (162, 502520), (170, 478872), (180, 452268), (204, 399060), (216, 376890), (240, 339201), (255, 319248), (270, 301512), (272, 299295), (306, 266040), (324, 251260), (340, 239436), (360, 226134), (405, 201008), (408, 199530), (432, 188445), (459, 177360), (510, 159624), (540, 150756), (612, 133020), (648, 125630), (680, 119718), (720, 113067), (739, 110160), (765, 106416), (810, 100504), (816, 99765), (918, 88680), (1020, 79812), (1080, 75378), (1224, 66510), (1296, 62815), (1360, 59859), (1377, 59120), (1478, 55080), (1530, 53208), (1620, 50252), (1836, 44340), (2040, 39906), (2160, 37689), (2217, 36720), (2295, 35472), (2448, 33255), (2754, 29560), (2956, 27540), (3060, 26604), (3240, 25126), (3672, 22170), (3695, 22032), (4080, 19953), (4434, 18360), (4590, 17736), (5508, 14780), (5912, 13770), (6120, 13302), (6480, 12563), (6651, 12240), (6885, 11824), (7344, 11085), (7390, 11016), (8868, 9180)]