31374840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{911}}^1$

素因数の和:973

約数の個数: 128

約数和(自身を含む): 110315520

約数和(自身を除く): 78940680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 56, 60, 70, 82, 84, 105, 120, 123, 140, 164, 168, 205, 210, 246, 280, 287, 328, 410, 420, 492, 574, 615, 820, 840, 861, 911, 984, 1148, 1230, 1435, 1640, 1722, 1822, 2296, 2460, 2733, 2870, 3444, 3644, 4305, 4555, 4920, 5466, 5740, 6377, 6888, 7288, 8610, 9110, 10932, 11480, 12754, 13665, 17220, 18220, 19131, 21864, 25508, 27330, 31885, 34440, 36440, 37351, 38262, 51016, 54660, 63770, 74702, 76524, 95655, 109320, 112053, 127540, 149404, 153048, 186755, 191310, 224106, 255080, 261457, 298808, 373510, 382620, 448212, 522914, 560265, 747020, 765240, 784371, 896424, 1045828, 1120530, 1307285, 1494040, 1568742, 2091656, 2241060, 2614570, 3137484, 3921855, 4482120, 5229140, 6274968, 7843710, 10458280, 15687420, 31374840]

約数ペア:

[(1, 31374840), (2, 15687420), (3, 10458280), (4, 7843710), (5, 6274968), (6, 5229140), (7, 4482120), (8, 3921855), (10, 3137484), (12, 2614570), (14, 2241060), (15, 2091656), (20, 1568742), (21, 1494040), (24, 1307285), (28, 1120530), (30, 1045828), (35, 896424), (40, 784371), (41, 765240), (42, 747020), (56, 560265), (60, 522914), (70, 448212), (82, 382620), (84, 373510), (105, 298808), (120, 261457), (123, 255080), (140, 224106), (164, 191310), (168, 186755), (205, 153048), (210, 149404), (246, 127540), (280, 112053), (287, 109320), (328, 95655), (410, 76524), (420, 74702), (492, 63770), (574, 54660), (615, 51016), (820, 38262), (840, 37351), (861, 36440), (911, 34440), (984, 31885), (1148, 27330), (1230, 25508), (1435, 21864), (1640, 19131), (1722, 18220), (1822, 17220), (2296, 13665), (2460, 12754), (2733, 11480), (2870, 10932), (3444, 9110), (3644, 8610), (4305, 7288), (4555, 6888), (4920, 6377), (5466, 5740)]