261364740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47869}}^1$

素因数の和:47901

約数の個数: 96

約数和(自身を含む): 900721920

約数和(自身を除く): 639357180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 47869, 95738, 143607, 191476, 239345, 287214, 335083, 478690, 574428, 622297, 670166, 718035, 957380, 1005249, 1244594, 1340332, 1436070, 1675415, 1866891, 2010498, 2489188, 2872140, 3111485, 3350830, 3733782, 4020996, 4356079, 5026245, 6222970, 6701660, 7467564, 8712158, 9334455, 10052490, 12445940, 13068237, 17424316, 18668910, 20104980, 21780395, 26136474, 37337820, 43560790, 52272948, 65341185, 87121580, 130682370, 261364740]

約数ペア:

[(1, 261364740), (2, 130682370), (3, 87121580), (4, 65341185), (5, 52272948), (6, 43560790), (7, 37337820), (10, 26136474), (12, 21780395), (13, 20104980), (14, 18668910), (15, 17424316), (20, 13068237), (21, 12445940), (26, 10052490), (28, 9334455), (30, 8712158), (35, 7467564), (39, 6701660), (42, 6222970), (52, 5026245), (60, 4356079), (65, 4020996), (70, 3733782), (78, 3350830), (84, 3111485), (91, 2872140), (105, 2489188), (130, 2010498), (140, 1866891), (156, 1675415), (182, 1436070), (195, 1340332), (210, 1244594), (260, 1005249), (273, 957380), (364, 718035), (390, 670166), (420, 622297), (455, 574428), (546, 478690), (780, 335083), (910, 287214), (1092, 239345), (1365, 191476), (1820, 143607), (2730, 95738), (5460, 47869)]