261019080

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{14797}}^1$

素因数の和:14828

約数の個数: 144

約数和(自身を含む): 986878620

約数和(自身を除く): 725859540

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 14797, 17640, 29594, 44391, 59188, 73985, 88782, 103579, 118376, 133173, 147970, 177564, 207158, 221955, 266346, 295940, 310737, 355128, 414316, 443910, 517895, 532692, 591880, 621474, 665865, 725053, 828632, 887820, 932211, 1035790, 1065384, 1242948, 1331730, 1450106, 1553685, 1775640, 1864422, 2071580, 2175159, 2485896, 2663460, 2900212, 3107370, 3625265, 3728844, 4143160, 4350318, 4661055, 5326920, 5800424, 6214740, 6525477, 7250530, 7457688, 8700636, 9322110, 10875795, 12429480, 13050954, 14501060, 17401272, 18644220, 21751590, 26101908, 29002120, 32627385, 37288440, 43503180, 52203816, 65254770, 87006360, 130509540, 261019080]

約数ペア:

[(1, 261019080), (2, 130509540), (3, 87006360), (4, 65254770), (5, 52203816), (6, 43503180), (7, 37288440), (8, 32627385), (9, 29002120), (10, 26101908), (12, 21751590), (14, 18644220), (15, 17401272), (18, 14501060), (20, 13050954), (21, 12429480), (24, 10875795), (28, 9322110), (30, 8700636), (35, 7457688), (36, 7250530), (40, 6525477), (42, 6214740), (45, 5800424), (49, 5326920), (56, 4661055), (60, 4350318), (63, 4143160), (70, 3728844), (72, 3625265), (84, 3107370), (90, 2900212), (98, 2663460), (105, 2485896), (120, 2175159), (126, 2071580), (140, 1864422), (147, 1775640), (168, 1553685), (180, 1450106), (196, 1331730), (210, 1242948), (245, 1065384), (252, 1035790), (280, 932211), (294, 887820), (315, 828632), (360, 725053), (392, 665865), (420, 621474), (441, 591880), (490, 532692), (504, 517895), (588, 443910), (630, 414316), (735, 355128), (840, 310737), (882, 295940), (980, 266346), (1176, 221955), (1260, 207158), (1470, 177564), (1764, 147970), (1960, 133173), (2205, 118376), (2520, 103579), (2940, 88782), (3528, 73985), (4410, 59188), (5880, 44391), (8820, 29594), (14797, 17640)]