251641728

素因数分解:

$2^7\times 3^4\times {\mathrm{13}}^1\times {\mathrm{1867}}^1$

素因数の和:1906

約数の個数: 160

約数和(自身を含む): 806919960

約数和(自身を除く): 555278232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 81, 96, 104, 108, 117, 128, 144, 156, 162, 192, 208, 216, 234, 288, 312, 324, 351, 384, 416, 432, 468, 576, 624, 648, 702, 832, 864, 936, 1053, 1152, 1248, 1296, 1404, 1664, 1728, 1867, 1872, 2106, 2496, 2592, 2808, 3456, 3734, 3744, 4212, 4992, 5184, 5601, 5616, 7468, 7488, 8424, 10368, 11202, 11232, 14936, 14976, 16803, 16848, 22404, 22464, 24271, 29872, 33606, 33696, 44808, 44928, 48542, 50409, 59744, 67212, 67392, 72813, 89616, 97084, 100818, 119488, 134424, 134784, 145626, 151227, 179232, 194168, 201636, 218439, 238976, 268848, 291252, 302454, 358464, 388336, 403272, 436878, 537696, 582504, 604908, 655317, 716928, 776672, 806544, 873756, 1075392, 1165008, 1209816, 1310634, 1553344, 1613088, 1747512, 1965951, 2150784, 2330016, 2419632, 2621268, 3106688, 3226176, 3495024, 3931902, 4660032, 4839264, 5242536, 6452352, 6990048, 7863804, 9320064, 9678528, 10485072, 13980096, 15727608, 19357056, 20970144, 27960192, 31455216, 41940288, 62910432, 83880576, 125820864, 251641728]

約数ペア:

[(1, 251641728), (2, 125820864), (3, 83880576), (4, 62910432), (6, 41940288), (8, 31455216), (9, 27960192), (12, 20970144), (13, 19357056), (16, 15727608), (18, 13980096), (24, 10485072), (26, 9678528), (27, 9320064), (32, 7863804), (36, 6990048), (39, 6452352), (48, 5242536), (52, 4839264), (54, 4660032), (64, 3931902), (72, 3495024), (78, 3226176), (81, 3106688), (96, 2621268), (104, 2419632), (108, 2330016), (117, 2150784), (128, 1965951), (144, 1747512), (156, 1613088), (162, 1553344), (192, 1310634), (208, 1209816), (216, 1165008), (234, 1075392), (288, 873756), (312, 806544), (324, 776672), (351, 716928), (384, 655317), (416, 604908), (432, 582504), (468, 537696), (576, 436878), (624, 403272), (648, 388336), (702, 358464), (832, 302454), (864, 291252), (936, 268848), (1053, 238976), (1152, 218439), (1248, 201636), (1296, 194168), (1404, 179232), (1664, 151227), (1728, 145626), (1867, 134784), (1872, 134424), (2106, 119488), (2496, 100818), (2592, 97084), (2808, 89616), (3456, 72813), (3734, 67392), (3744, 67212), (4212, 59744), (4992, 50409), (5184, 48542), (5601, 44928), (5616, 44808), (7468, 33696), (7488, 33606), (8424, 29872), (10368, 24271), (11202, 22464), (11232, 22404), (14936, 16848), (14976, 16803)]