78819720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{911}}^1$

素因数の和:1035

約数の個数: 128

約数和(自身を含む): 273162240

約数和(自身を除く): 194342520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 103, 105, 120, 140, 168, 206, 210, 280, 309, 412, 420, 515, 618, 721, 824, 840, 911, 1030, 1236, 1442, 1545, 1822, 2060, 2163, 2472, 2733, 2884, 3090, 3605, 3644, 4120, 4326, 4555, 5466, 5768, 6180, 6377, 7210, 7288, 8652, 9110, 10815, 10932, 12360, 12754, 13665, 14420, 17304, 18220, 19131, 21630, 21864, 25508, 27330, 28840, 31885, 36440, 38262, 43260, 51016, 54660, 63770, 76524, 86520, 93833, 95655, 109320, 127540, 153048, 187666, 191310, 255080, 281499, 375332, 382620, 469165, 562998, 656831, 750664, 765240, 938330, 1125996, 1313662, 1407495, 1876660, 1970493, 2251992, 2627324, 2814990, 3284155, 3753320, 3940986, 5254648, 5629980, 6568310, 7881972, 9852465, 11259960, 13136620, 15763944, 19704930, 26273240, 39409860, 78819720]

約数ペア:

[(1, 78819720), (2, 39409860), (3, 26273240), (4, 19704930), (5, 15763944), (6, 13136620), (7, 11259960), (8, 9852465), (10, 7881972), (12, 6568310), (14, 5629980), (15, 5254648), (20, 3940986), (21, 3753320), (24, 3284155), (28, 2814990), (30, 2627324), (35, 2251992), (40, 1970493), (42, 1876660), (56, 1407495), (60, 1313662), (70, 1125996), (84, 938330), (103, 765240), (105, 750664), (120, 656831), (140, 562998), (168, 469165), (206, 382620), (210, 375332), (280, 281499), (309, 255080), (412, 191310), (420, 187666), (515, 153048), (618, 127540), (721, 109320), (824, 95655), (840, 93833), (911, 86520), (1030, 76524), (1236, 63770), (1442, 54660), (1545, 51016), (1822, 43260), (2060, 38262), (2163, 36440), (2472, 31885), (2733, 28840), (2884, 27330), (3090, 25508), (3605, 21864), (3644, 21630), (4120, 19131), (4326, 18220), (4555, 17304), (5466, 14420), (5768, 13665), (6180, 12754), (6377, 12360), (7210, 10932), (7288, 10815), (8652, 9110)]