255487728

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{991}}^1$

素因数の和:1174

約数の個数: 80

約数和(自身を含む): 681956352

約数和(自身を除く): 426468624

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 131, 164, 246, 262, 328, 393, 492, 524, 656, 786, 984, 991, 1048, 1572, 1968, 1982, 2096, 2973, 3144, 3964, 5371, 5946, 6288, 7928, 10742, 11892, 15856, 16113, 21484, 23784, 32226, 40631, 42968, 47568, 64452, 81262, 85936, 121893, 128904, 129821, 162524, 243786, 257808, 259642, 325048, 389463, 487572, 519284, 650096, 778926, 975144, 1038568, 1557852, 1950288, 2077136, 3115704, 5322661, 6231408, 10645322, 15967983, 21290644, 31935966, 42581288, 63871932, 85162576, 127743864, 255487728]

約数ペア:

[(1, 255487728), (2, 127743864), (3, 85162576), (4, 63871932), (6, 42581288), (8, 31935966), (12, 21290644), (16, 15967983), (24, 10645322), (41, 6231408), (48, 5322661), (82, 3115704), (123, 2077136), (131, 1950288), (164, 1557852), (246, 1038568), (262, 975144), (328, 778926), (393, 650096), (492, 519284), (524, 487572), (656, 389463), (786, 325048), (984, 259642), (991, 257808), (1048, 243786), (1572, 162524), (1968, 129821), (1982, 128904), (2096, 121893), (2973, 85936), (3144, 81262), (3964, 64452), (5371, 47568), (5946, 42968), (6288, 40631), (7928, 32226), (10742, 23784), (11892, 21484), (15856, 16113)]