256930128

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2801}}^1$

素因数の和:2842

約数の個数: 180

約数和(自身を含む): 901106388

約数和(自身を除く): 644176260

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, 364, 392, 441, 468, 504, 546, 588, 624, 637, 728, 784, 819, 882, 936, 1008, 1092, 1176, 1274, 1456, 1638, 1764, 1872, 1911, 2184, 2352, 2548, 2801, 3276, 3528, 3822, 4368, 5096, 5602, 5733, 6552, 7056, 7644, 8403, 10192, 11204, 11466, 13104, 15288, 16806, 19607, 22408, 22932, 25209, 30576, 33612, 36413, 39214, 44816, 45864, 50418, 58821, 67224, 72826, 78428, 91728, 100836, 109239, 117642, 134448, 137249, 145652, 156856, 176463, 201672, 218478, 235284, 254891, 274498, 291304, 313712, 327717, 352926, 403344, 411747, 436956, 470568, 509782, 548996, 582608, 655434, 705852, 764673, 823494, 873912, 941136, 1019564, 1097992, 1235241, 1310868, 1411704, 1529346, 1646988, 1747824, 1784237, 2039128, 2195984, 2294019, 2470482, 2621736, 2823408, 3058692, 3293976, 3568474, 4078256, 4588038, 4940964, 5243472, 5352711, 6117384, 6587952, 7136948, 9176076, 9881928, 10705422, 12234768, 14273896, 16058133, 18352152, 19763856, 21410844, 28547792, 32116266, 36704304, 42821688, 64232532, 85643376, 128465064, 256930128]

約数ペア:

[(1, 256930128), (2, 128465064), (3, 85643376), (4, 64232532), (6, 42821688), (7, 36704304), (8, 32116266), (9, 28547792), (12, 21410844), (13, 19763856), (14, 18352152), (16, 16058133), (18, 14273896), (21, 12234768), (24, 10705422), (26, 9881928), (28, 9176076), (36, 7136948), (39, 6587952), (42, 6117384), (48, 5352711), (49, 5243472), (52, 4940964), (56, 4588038), (63, 4078256), (72, 3568474), (78, 3293976), (84, 3058692), (91, 2823408), (98, 2621736), (104, 2470482), (112, 2294019), (117, 2195984), (126, 2039128), (144, 1784237), (147, 1747824), (156, 1646988), (168, 1529346), (182, 1411704), (196, 1310868), (208, 1235241), (234, 1097992), (252, 1019564), (273, 941136), (294, 873912), (312, 823494), (336, 764673), (364, 705852), (392, 655434), (441, 582608), (468, 548996), (504, 509782), (546, 470568), (588, 436956), (624, 411747), (637, 403344), (728, 352926), (784, 327717), (819, 313712), (882, 291304), (936, 274498), (1008, 254891), (1092, 235284), (1176, 218478), (1274, 201672), (1456, 176463), (1638, 156856), (1764, 145652), (1872, 137249), (1911, 134448), (2184, 117642), (2352, 109239), (2548, 100836), (2801, 91728), (3276, 78428), (3528, 72826), (3822, 67224), (4368, 58821), (5096, 50418), (5602, 45864), (5733, 44816), (6552, 39214), (7056, 36413), (7644, 33612), (8403, 30576), (10192, 25209), (11204, 22932), (11466, 22408), (13104, 19607), (15288, 16806)]