256411512

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{72679}}^1$

素因数の和:72705

約数の個数: 72

約数和(自身を含む): 807838200

約数和(自身を除く): 551426688

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 72679, 145358, 218037, 290716, 436074, 508753, 581432, 654111, 872148, 1017506, 1308222, 1526259, 1744296, 2035012, 2616444, 3052518, 3561271, 4070024, 4578777, 5232888, 6105036, 7122542, 9157554, 10683813, 12210072, 14245084, 18315108, 21367626, 28490168, 32051439, 36630216, 42735252, 64102878, 85470504, 128205756, 256411512]

約数ペア:

[(1, 256411512), (2, 128205756), (3, 85470504), (4, 64102878), (6, 42735252), (7, 36630216), (8, 32051439), (9, 28490168), (12, 21367626), (14, 18315108), (18, 14245084), (21, 12210072), (24, 10683813), (28, 9157554), (36, 7122542), (42, 6105036), (49, 5232888), (56, 4578777), (63, 4070024), (72, 3561271), (84, 3052518), (98, 2616444), (126, 2035012), (147, 1744296), (168, 1526259), (196, 1308222), (252, 1017506), (294, 872148), (392, 654111), (441, 581432), (504, 508753), (588, 436074), (882, 290716), (1176, 218037), (1764, 145358), (3528, 72679)]