256592880

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{563}}^1$

素因数の和:796

約数の個数: 160

約数和(自身を含む): 889585920

約数和(自身を除く): 632993040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 211, 216, 240, 270, 360, 422, 432, 540, 563, 633, 720, 844, 1055, 1080, 1126, 1266, 1688, 1689, 1899, 2110, 2160, 2252, 2532, 2815, 3165, 3376, 3378, 3798, 4220, 4504, 5064, 5067, 5630, 5697, 6330, 6756, 7596, 8440, 8445, 9008, 9495, 10128, 10134, 11260, 11394, 12660, 13512, 15192, 15201, 16880, 16890, 18990, 20268, 22520, 22788, 25320, 25335, 27024, 28485, 30384, 30402, 33780, 37980, 40536, 45040, 45576, 50640, 50670, 56970, 60804, 67560, 75960, 76005, 81072, 91152, 101340, 113940, 118793, 121608, 135120, 151920, 152010, 202680, 227880, 237586, 243216, 304020, 356379, 405360, 455760, 475172, 593965, 608040, 712758, 950344, 1069137, 1187930, 1216080, 1425516, 1781895, 1900688, 2138274, 2375860, 2851032, 3207411, 3563790, 4276548, 4751720, 5345685, 5702064, 6414822, 7127580, 8553096, 9503440, 10691370, 12829644, 14255160, 16037055, 17106192, 21382740, 25659288, 28510320, 32074110, 42765480, 51318576, 64148220, 85530960, 128296440, 256592880]

約数ペア:

[(1, 256592880), (2, 128296440), (3, 85530960), (4, 64148220), (5, 51318576), (6, 42765480), (8, 32074110), (9, 28510320), (10, 25659288), (12, 21382740), (15, 17106192), (16, 16037055), (18, 14255160), (20, 12829644), (24, 10691370), (27, 9503440), (30, 8553096), (36, 7127580), (40, 6414822), (45, 5702064), (48, 5345685), (54, 4751720), (60, 4276548), (72, 3563790), (80, 3207411), (90, 2851032), (108, 2375860), (120, 2138274), (135, 1900688), (144, 1781895), (180, 1425516), (211, 1216080), (216, 1187930), (240, 1069137), (270, 950344), (360, 712758), (422, 608040), (432, 593965), (540, 475172), (563, 455760), (633, 405360), (720, 356379), (844, 304020), (1055, 243216), (1080, 237586), (1126, 227880), (1266, 202680), (1688, 152010), (1689, 151920), (1899, 135120), (2110, 121608), (2160, 118793), (2252, 113940), (2532, 101340), (2815, 91152), (3165, 81072), (3376, 76005), (3378, 75960), (3798, 67560), (4220, 60804), (4504, 56970), (5064, 50670), (5067, 50640), (5630, 45576), (5697, 45040), (6330, 40536), (6756, 37980), (7596, 33780), (8440, 30402), (8445, 30384), (9008, 28485), (9495, 27024), (10128, 25335), (10134, 25320), (11260, 22788), (11394, 22520), (12660, 20268), (13512, 18990), (15192, 16890), (15201, 16880)]