128711772

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:512

約数の個数: 144

約数和(自身を含む): 396264960

約数和(自身を除く): 267553188

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 53, 63, 69, 84, 92, 106, 126, 138, 159, 161, 207, 212, 252, 276, 318, 322, 371, 414, 419, 477, 483, 636, 644, 742, 828, 838, 954, 966, 1113, 1219, 1257, 1449, 1484, 1676, 1908, 1932, 2226, 2438, 2514, 2898, 2933, 3339, 3657, 3771, 4452, 4876, 5028, 5796, 5866, 6678, 7314, 7542, 8533, 8799, 9637, 10971, 11732, 13356, 14628, 15084, 17066, 17598, 19274, 21942, 22207, 25599, 26397, 28911, 34132, 35196, 38548, 43884, 44414, 51198, 52794, 57822, 66621, 67459, 76797, 86733, 88828, 102396, 105588, 115644, 133242, 134918, 153594, 155449, 173466, 199863, 202377, 266484, 269836, 307188, 310898, 346932, 399726, 404754, 466347, 510761, 607131, 621796, 799452, 809508, 932694, 1021522, 1214262, 1399041, 1532283, 1865388, 2043044, 2428524, 2798082, 3064566, 3575327, 4596849, 5596164, 6129132, 7150654, 9193698, 10725981, 14301308, 18387396, 21451962, 32177943, 42903924, 64355886, 128711772]

約数ペア:

[(1, 128711772), (2, 64355886), (3, 42903924), (4, 32177943), (6, 21451962), (7, 18387396), (9, 14301308), (12, 10725981), (14, 9193698), (18, 7150654), (21, 6129132), (23, 5596164), (28, 4596849), (36, 3575327), (42, 3064566), (46, 2798082), (53, 2428524), (63, 2043044), (69, 1865388), (84, 1532283), (92, 1399041), (106, 1214262), (126, 1021522), (138, 932694), (159, 809508), (161, 799452), (207, 621796), (212, 607131), (252, 510761), (276, 466347), (318, 404754), (322, 399726), (371, 346932), (414, 310898), (419, 307188), (477, 269836), (483, 266484), (636, 202377), (644, 199863), (742, 173466), (828, 155449), (838, 153594), (954, 134918), (966, 133242), (1113, 115644), (1219, 105588), (1257, 102396), (1449, 88828), (1484, 86733), (1676, 76797), (1908, 67459), (1932, 66621), (2226, 57822), (2438, 52794), (2514, 51198), (2898, 44414), (2933, 43884), (3339, 38548), (3657, 35196), (3771, 34132), (4452, 28911), (4876, 26397), (5028, 25599), (5796, 22207), (5866, 21942), (6678, 19274), (7314, 17598), (7542, 17066), (8533, 15084), (8799, 14628), (9637, 13356), (10971, 11732)]