1556557890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{727}}^1$

素因数の和:896

約数の個数: 128

約数和(自身を含む): 4075868160

約数和(自身を除く): 2519310270

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 29, 30, 46, 58, 69, 87, 107, 115, 138, 145, 174, 214, 230, 290, 321, 345, 435, 535, 642, 667, 690, 727, 870, 1070, 1334, 1454, 1605, 2001, 2181, 2461, 3103, 3210, 3335, 3635, 4002, 4362, 4922, 6206, 6670, 7270, 7383, 9309, 10005, 10905, 12305, 14766, 15515, 16721, 18618, 20010, 21083, 21810, 24610, 31030, 33442, 36915, 42166, 46545, 50163, 63249, 71369, 73830, 77789, 83605, 93090, 100326, 105415, 126498, 142738, 155578, 167210, 210830, 214107, 233367, 250815, 316245, 356845, 388945, 428214, 466734, 484909, 501630, 632490, 713690, 777890, 969818, 1070535, 1166835, 1454727, 1789147, 2141070, 2255881, 2333670, 2424545, 2909454, 3578294, 4511762, 4849090, 5367441, 6767643, 7273635, 8945735, 10734882, 11279405, 13535286, 14547270, 17891470, 22558810, 26837205, 33838215, 51885263, 53674410, 67676430, 103770526, 155655789, 259426315, 311311578, 518852630, 778278945, 1556557890]

約数ペア:

[(1, 1556557890), (2, 778278945), (3, 518852630), (5, 311311578), (6, 259426315), (10, 155655789), (15, 103770526), (23, 67676430), (29, 53674410), (30, 51885263), (46, 33838215), (58, 26837205), (69, 22558810), (87, 17891470), (107, 14547270), (115, 13535286), (138, 11279405), (145, 10734882), (174, 8945735), (214, 7273635), (230, 6767643), (290, 5367441), (321, 4849090), (345, 4511762), (435, 3578294), (535, 2909454), (642, 2424545), (667, 2333670), (690, 2255881), (727, 2141070), (870, 1789147), (1070, 1454727), (1334, 1166835), (1454, 1070535), (1605, 969818), (2001, 777890), (2181, 713690), (2461, 632490), (3103, 501630), (3210, 484909), (3335, 466734), (3635, 428214), (4002, 388945), (4362, 356845), (4922, 316245), (6206, 250815), (6670, 233367), (7270, 214107), (7383, 210830), (9309, 167210), (10005, 155578), (10905, 142738), (12305, 126498), (14766, 105415), (15515, 100326), (16721, 93090), (18618, 83605), (20010, 77789), (21083, 73830), (21810, 71369), (24610, 63249), (31030, 50163), (33442, 46545), (36915, 42166)]