281880144

素因数分解:

$2^4\times 3^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{439}}^1$

素因数の和:487

約数の個数: 240

約数和(自身を含む): 992992000

約数和(自身を除く): 711111856

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 48, 49, 52, 56, 63, 72, 78, 84, 91, 98, 104, 112, 117, 126, 144, 147, 156, 168, 182, 196, 208, 234, 252, 273, 294, 312, 336, 343, 364, 392, 439, 441, 468, 504, 546, 588, 624, 637, 686, 728, 784, 819, 878, 882, 936, 1008, 1029, 1092, 1176, 1274, 1317, 1372, 1456, 1638, 1756, 1764, 1872, 1911, 2058, 2184, 2352, 2548, 2634, 2744, 3073, 3087, 3276, 3512, 3528, 3822, 3951, 4116, 4368, 4459, 5096, 5268, 5488, 5707, 5733, 6146, 6174, 6552, 7024, 7056, 7644, 7902, 8232, 8918, 9219, 10192, 10536, 11414, 11466, 12292, 12348, 13104, 13377, 15288, 15804, 16464, 17121, 17836, 18438, 21072, 21511, 22828, 22932, 24584, 24696, 26754, 27657, 30576, 31608, 34242, 35672, 36876, 39949, 40131, 43022, 45656, 45864, 49168, 49392, 51363, 53508, 55314, 63216, 64533, 68484, 71344, 73752, 79898, 80262, 86044, 91312, 91728, 102726, 107016, 110628, 119847, 129066, 136968, 147504, 150577, 159796, 160524, 172088, 193599, 205452, 214032, 221256, 239694, 258132, 273936, 279643, 301154, 319592, 321048, 344176, 359541, 387198, 410904, 442512, 451731, 479388, 516264, 559286, 602308, 639184, 642096, 719082, 774396, 821808, 838929, 903462, 958776, 1032528, 1118572, 1204616, 1355193, 1438164, 1548792, 1677858, 1806924, 1917552, 1957501, 2237144, 2409232, 2516787, 2710386, 2876328, 3097584, 3355716, 3613848, 3915002, 4474288, 5033574, 5420772, 5752656, 5872503, 6711432, 7227696, 7830004, 10067148, 10841544, 11745006, 13422864, 15660008, 17617509, 20134296, 21683088, 23490012, 31320016, 35235018, 40268592, 46980024, 70470036, 93960048, 140940072, 281880144]

約数ペア:

[(1, 281880144), (2, 140940072), (3, 93960048), (4, 70470036), (6, 46980024), (7, 40268592), (8, 35235018), (9, 31320016), (12, 23490012), (13, 21683088), (14, 20134296), (16, 17617509), (18, 15660008), (21, 13422864), (24, 11745006), (26, 10841544), (28, 10067148), (36, 7830004), (39, 7227696), (42, 6711432), (48, 5872503), (49, 5752656), (52, 5420772), (56, 5033574), (63, 4474288), (72, 3915002), (78, 3613848), (84, 3355716), (91, 3097584), (98, 2876328), (104, 2710386), (112, 2516787), (117, 2409232), (126, 2237144), (144, 1957501), (147, 1917552), (156, 1806924), (168, 1677858), (182, 1548792), (196, 1438164), (208, 1355193), (234, 1204616), (252, 1118572), (273, 1032528), (294, 958776), (312, 903462), (336, 838929), (343, 821808), (364, 774396), (392, 719082), (439, 642096), (441, 639184), (468, 602308), (504, 559286), (546, 516264), (588, 479388), (624, 451731), (637, 442512), (686, 410904), (728, 387198), (784, 359541), (819, 344176), (878, 321048), (882, 319592), (936, 301154), (1008, 279643), (1029, 273936), (1092, 258132), (1176, 239694), (1274, 221256), (1317, 214032), (1372, 205452), (1456, 193599), (1638, 172088), (1756, 160524), (1764, 159796), (1872, 150577), (1911, 147504), (2058, 136968), (2184, 129066), (2352, 119847), (2548, 110628), (2634, 107016), (2744, 102726), (3073, 91728), (3087, 91312), (3276, 86044), (3512, 80262), (3528, 79898), (3822, 73752), (3951, 71344), (4116, 68484), (4368, 64533), (4459, 63216), (5096, 55314), (5268, 53508), (5488, 51363), (5707, 49392), (5733, 49168), (6146, 45864), (6174, 45656), (6552, 43022), (7024, 40131), (7056, 39949), (7644, 36876), (7902, 35672), (8232, 34242), (8918, 31608), (9219, 30576), (10192, 27657), (10536, 26754), (11414, 24696), (11466, 24584), (12292, 22932), (12348, 22828), (13104, 21511), (13377, 21072), (15288, 18438), (15804, 17836), (16464, 17121)]