68187420

素因数分解:

$2^2\times 3^4\times 5^1\times 7^2\times {\mathrm{859}}^1$

素因数の和:894

約数の個数: 180

約数和(自身を含む): 249119640

約数和(自身を除く): 180932220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 245, 252, 270, 294, 315, 324, 378, 405, 420, 441, 490, 540, 567, 588, 630, 735, 756, 810, 859, 882, 945, 980, 1134, 1260, 1323, 1470, 1620, 1718, 1764, 1890, 2205, 2268, 2577, 2646, 2835, 2940, 3436, 3780, 3969, 4295, 4410, 5154, 5292, 5670, 6013, 6615, 7731, 7938, 8590, 8820, 10308, 11340, 12026, 12885, 13230, 15462, 15876, 17180, 18039, 19845, 23193, 24052, 25770, 26460, 30065, 30924, 36078, 38655, 39690, 42091, 46386, 51540, 54117, 60130, 69579, 72156, 77310, 79380, 84182, 90195, 92772, 108234, 115965, 120260, 126273, 139158, 154620, 162351, 168364, 180390, 210455, 216468, 231930, 252546, 270585, 278316, 324702, 347895, 360780, 378819, 420910, 463860, 487053, 505092, 541170, 631365, 649404, 695790, 757638, 811755, 841820, 974106, 1082340, 1136457, 1262730, 1391580, 1515276, 1623510, 1894095, 1948212, 2272914, 2435265, 2525460, 3247020, 3409371, 3788190, 4545828, 4870530, 5682285, 6818742, 7576380, 9741060, 11364570, 13637484, 17046855, 22729140, 34093710, 68187420]

約数ペア:

[(1, 68187420), (2, 34093710), (3, 22729140), (4, 17046855), (5, 13637484), (6, 11364570), (7, 9741060), (9, 7576380), (10, 6818742), (12, 5682285), (14, 4870530), (15, 4545828), (18, 3788190), (20, 3409371), (21, 3247020), (27, 2525460), (28, 2435265), (30, 2272914), (35, 1948212), (36, 1894095), (42, 1623510), (45, 1515276), (49, 1391580), (54, 1262730), (60, 1136457), (63, 1082340), (70, 974106), (81, 841820), (84, 811755), (90, 757638), (98, 695790), (105, 649404), (108, 631365), (126, 541170), (135, 505092), (140, 487053), (147, 463860), (162, 420910), (180, 378819), (189, 360780), (196, 347895), (210, 324702), (245, 278316), (252, 270585), (270, 252546), (294, 231930), (315, 216468), (324, 210455), (378, 180390), (405, 168364), (420, 162351), (441, 154620), (490, 139158), (540, 126273), (567, 120260), (588, 115965), (630, 108234), (735, 92772), (756, 90195), (810, 84182), (859, 79380), (882, 77310), (945, 72156), (980, 69579), (1134, 60130), (1260, 54117), (1323, 51540), (1470, 46386), (1620, 42091), (1718, 39690), (1764, 38655), (1890, 36078), (2205, 30924), (2268, 30065), (2577, 26460), (2646, 25770), (2835, 24052), (2940, 23193), (3436, 19845), (3780, 18039), (3969, 17180), (4295, 15876), (4410, 15462), (5154, 13230), (5292, 12885), (5670, 12026), (6013, 11340), (6615, 10308), (7731, 8820), (7938, 8590)]