128208780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1049}}^1$

素因数の和:1168

約数の個数: 144

約数和(自身を含む): 449467200

約数和(自身を除く): 321258420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 97, 105, 126, 140, 180, 194, 210, 252, 291, 315, 388, 420, 485, 582, 630, 679, 873, 970, 1049, 1164, 1260, 1358, 1455, 1746, 1940, 2037, 2098, 2716, 2910, 3147, 3395, 3492, 4074, 4196, 4365, 5245, 5820, 6111, 6294, 6790, 7343, 8148, 8730, 9441, 10185, 10490, 12222, 12588, 13580, 14686, 15735, 17460, 18882, 20370, 20980, 22029, 24444, 29372, 30555, 31470, 36715, 37764, 40740, 44058, 47205, 61110, 62940, 66087, 73430, 88116, 94410, 101753, 110145, 122220, 132174, 146860, 188820, 203506, 220290, 264348, 305259, 330435, 407012, 440580, 508765, 610518, 660870, 712271, 915777, 1017530, 1221036, 1321740, 1424542, 1526295, 1831554, 2035060, 2136813, 2849084, 3052590, 3561355, 3663108, 4273626, 4578885, 6105180, 6410439, 7122710, 8547252, 9157770, 10684065, 12820878, 14245420, 18315540, 21368130, 25641756, 32052195, 42736260, 64104390, 128208780]

約数ペア:

[(1, 128208780), (2, 64104390), (3, 42736260), (4, 32052195), (5, 25641756), (6, 21368130), (7, 18315540), (9, 14245420), (10, 12820878), (12, 10684065), (14, 9157770), (15, 8547252), (18, 7122710), (20, 6410439), (21, 6105180), (28, 4578885), (30, 4273626), (35, 3663108), (36, 3561355), (42, 3052590), (45, 2849084), (60, 2136813), (63, 2035060), (70, 1831554), (84, 1526295), (90, 1424542), (97, 1321740), (105, 1221036), (126, 1017530), (140, 915777), (180, 712271), (194, 660870), (210, 610518), (252, 508765), (291, 440580), (315, 407012), (388, 330435), (420, 305259), (485, 264348), (582, 220290), (630, 203506), (679, 188820), (873, 146860), (970, 132174), (1049, 122220), (1164, 110145), (1260, 101753), (1358, 94410), (1455, 88116), (1746, 73430), (1940, 66087), (2037, 62940), (2098, 61110), (2716, 47205), (2910, 44058), (3147, 40740), (3395, 37764), (3492, 36715), (4074, 31470), (4196, 30555), (4365, 29372), (5245, 24444), (5820, 22029), (6111, 20980), (6294, 20370), (6790, 18882), (7343, 17460), (8148, 15735), (8730, 14686), (9441, 13580), (10185, 12588), (10490, 12222)]