31513860

素因数分解:

$2^2\times 3^4\times 5^1\times 7^2\times {\mathrm{397}}^1$

素因数の和:432

約数の個数: 180

約数和(自身を含む): 115290252

約数和(自身を除く): 83776392

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 245, 252, 270, 294, 315, 324, 378, 397, 405, 420, 441, 490, 540, 567, 588, 630, 735, 756, 794, 810, 882, 945, 980, 1134, 1191, 1260, 1323, 1470, 1588, 1620, 1764, 1890, 1985, 2205, 2268, 2382, 2646, 2779, 2835, 2940, 3573, 3780, 3969, 3970, 4410, 4764, 5292, 5558, 5670, 5955, 6615, 7146, 7938, 7940, 8337, 8820, 10719, 11116, 11340, 11910, 13230, 13895, 14292, 15876, 16674, 17865, 19453, 19845, 21438, 23820, 25011, 26460, 27790, 32157, 33348, 35730, 38906, 39690, 41685, 42876, 50022, 53595, 55580, 58359, 64314, 71460, 75033, 77812, 79380, 83370, 97265, 100044, 107190, 116718, 125055, 128628, 150066, 160785, 166740, 175077, 194530, 214380, 225099, 233436, 250110, 291795, 300132, 321570, 350154, 375165, 389060, 450198, 500220, 525231, 583590, 643140, 700308, 750330, 875385, 900396, 1050462, 1125495, 1167180, 1500660, 1575693, 1750770, 2100924, 2250990, 2626155, 3151386, 3501540, 4501980, 5252310, 6302772, 7878465, 10504620, 15756930, 31513860]

約数ペア:

[(1, 31513860), (2, 15756930), (3, 10504620), (4, 7878465), (5, 6302772), (6, 5252310), (7, 4501980), (9, 3501540), (10, 3151386), (12, 2626155), (14, 2250990), (15, 2100924), (18, 1750770), (20, 1575693), (21, 1500660), (27, 1167180), (28, 1125495), (30, 1050462), (35, 900396), (36, 875385), (42, 750330), (45, 700308), (49, 643140), (54, 583590), (60, 525231), (63, 500220), (70, 450198), (81, 389060), (84, 375165), (90, 350154), (98, 321570), (105, 300132), (108, 291795), (126, 250110), (135, 233436), (140, 225099), (147, 214380), (162, 194530), (180, 175077), (189, 166740), (196, 160785), (210, 150066), (245, 128628), (252, 125055), (270, 116718), (294, 107190), (315, 100044), (324, 97265), (378, 83370), (397, 79380), (405, 77812), (420, 75033), (441, 71460), (490, 64314), (540, 58359), (567, 55580), (588, 53595), (630, 50022), (735, 42876), (756, 41685), (794, 39690), (810, 38906), (882, 35730), (945, 33348), (980, 32157), (1134, 27790), (1191, 26460), (1260, 25011), (1323, 23820), (1470, 21438), (1588, 19845), (1620, 19453), (1764, 17865), (1890, 16674), (1985, 15876), (2205, 14292), (2268, 13895), (2382, 13230), (2646, 11910), (2779, 11340), (2835, 11116), (2940, 10719), (3573, 8820), (3780, 8337), (3969, 7940), (3970, 7938), (4410, 7146), (4764, 6615), (5292, 5955), (5558, 5670)]