256364080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3847}}^1$

素因数の和:3891

約数の個数: 120

約数和(自身を含む): 734336928

約数和(自身を除く): 477972848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 170, 196, 238, 245, 272, 280, 340, 392, 476, 490, 560, 595, 680, 784, 833, 952, 980, 1190, 1360, 1666, 1904, 1960, 2380, 3332, 3847, 3920, 4165, 4760, 6664, 7694, 8330, 9520, 13328, 15388, 16660, 19235, 26929, 30776, 33320, 38470, 53858, 61552, 65399, 66640, 76940, 107716, 130798, 134645, 153880, 188503, 215432, 261596, 269290, 307760, 326995, 377006, 430864, 457793, 523192, 538580, 653990, 754012, 915586, 942515, 1046384, 1077160, 1307980, 1508024, 1831172, 1885030, 2154320, 2288965, 2615960, 3016048, 3204551, 3662344, 3770060, 4577930, 5231920, 6409102, 7324688, 7540120, 9155860, 12818204, 15080240, 16022755, 18311720, 25636408, 32045510, 36623440, 51272816, 64091020, 128182040, 256364080]

約数ペア:

[(1, 256364080), (2, 128182040), (4, 64091020), (5, 51272816), (7, 36623440), (8, 32045510), (10, 25636408), (14, 18311720), (16, 16022755), (17, 15080240), (20, 12818204), (28, 9155860), (34, 7540120), (35, 7324688), (40, 6409102), (49, 5231920), (56, 4577930), (68, 3770060), (70, 3662344), (80, 3204551), (85, 3016048), (98, 2615960), (112, 2288965), (119, 2154320), (136, 1885030), (140, 1831172), (170, 1508024), (196, 1307980), (238, 1077160), (245, 1046384), (272, 942515), (280, 915586), (340, 754012), (392, 653990), (476, 538580), (490, 523192), (560, 457793), (595, 430864), (680, 377006), (784, 326995), (833, 307760), (952, 269290), (980, 261596), (1190, 215432), (1360, 188503), (1666, 153880), (1904, 134645), (1960, 130798), (2380, 107716), (3332, 76940), (3847, 66640), (3920, 65399), (4165, 61552), (4760, 53858), (6664, 38470), (7694, 33320), (8330, 30776), (9520, 26929), (13328, 19235), (15388, 16660)]