261568944

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19961}}^1$

素因数の和:19995

約数の個数: 120

約数和(自身を含む): 901004832

約数和(自身を除く): 639435888

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 48, 52, 56, 63, 72, 78, 84, 91, 104, 112, 117, 126, 144, 156, 168, 182, 208, 234, 252, 273, 312, 336, 364, 468, 504, 546, 624, 728, 819, 936, 1008, 1092, 1456, 1638, 1872, 2184, 3276, 4368, 6552, 13104, 19961, 39922, 59883, 79844, 119766, 139727, 159688, 179649, 239532, 259493, 279454, 319376, 359298, 419181, 479064, 518986, 558908, 718596, 778479, 838362, 958128, 1037972, 1117816, 1257543, 1437192, 1556958, 1676724, 1816451, 2075944, 2235632, 2335437, 2515086, 2874384, 3113916, 3353448, 3632902, 4151888, 4670874, 5030172, 5449353, 6227832, 6706896, 7265804, 9341748, 10060344, 10898706, 12455664, 14531608, 16348059, 18683496, 20120688, 21797412, 29063216, 32696118, 37366992, 43594824, 65392236, 87189648, 130784472, 261568944]

約数ペア:

[(1, 261568944), (2, 130784472), (3, 87189648), (4, 65392236), (6, 43594824), (7, 37366992), (8, 32696118), (9, 29063216), (12, 21797412), (13, 20120688), (14, 18683496), (16, 16348059), (18, 14531608), (21, 12455664), (24, 10898706), (26, 10060344), (28, 9341748), (36, 7265804), (39, 6706896), (42, 6227832), (48, 5449353), (52, 5030172), (56, 4670874), (63, 4151888), (72, 3632902), (78, 3353448), (84, 3113916), (91, 2874384), (104, 2515086), (112, 2335437), (117, 2235632), (126, 2075944), (144, 1816451), (156, 1676724), (168, 1556958), (182, 1437192), (208, 1257543), (234, 1117816), (252, 1037972), (273, 958128), (312, 838362), (336, 778479), (364, 718596), (468, 558908), (504, 518986), (546, 479064), (624, 419181), (728, 359298), (819, 319376), (936, 279454), (1008, 259493), (1092, 239532), (1456, 179649), (1638, 159688), (1872, 139727), (2184, 119766), (3276, 79844), (4368, 59883), (6552, 39922), (13104, 19961)]