18674880

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{397}}^1$

素因数の和:431

約数の個数: 168

約数和(自身を含む): 69146928

約数和(自身を除く): 50472048

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 392, 397, 420, 448, 480, 490, 560, 588, 672, 735, 784, 794, 840, 960, 980, 1120, 1176, 1191, 1344, 1470, 1568, 1588, 1680, 1960, 1985, 2240, 2352, 2382, 2779, 2940, 3136, 3176, 3360, 3920, 3970, 4704, 4764, 5558, 5880, 5955, 6352, 6720, 7840, 7940, 8337, 9408, 9528, 11116, 11760, 11910, 12704, 13895, 15680, 15880, 16674, 19056, 19453, 22232, 23520, 23820, 25408, 27790, 31760, 33348, 38112, 38906, 41685, 44464, 47040, 47640, 55580, 58359, 63520, 66696, 76224, 77812, 83370, 88928, 95280, 97265, 111160, 116718, 127040, 133392, 155624, 166740, 177856, 190560, 194530, 222320, 233436, 266784, 291795, 311248, 333480, 381120, 389060, 444640, 466872, 533568, 583590, 622496, 666960, 778120, 889280, 933744, 1167180, 1244992, 1333920, 1556240, 1867488, 2334360, 2667840, 3112480, 3734976, 4668720, 6224960, 9337440, 18674880]

約数ペア:

[(1, 18674880), (2, 9337440), (3, 6224960), (4, 4668720), (5, 3734976), (6, 3112480), (7, 2667840), (8, 2334360), (10, 1867488), (12, 1556240), (14, 1333920), (15, 1244992), (16, 1167180), (20, 933744), (21, 889280), (24, 778120), (28, 666960), (30, 622496), (32, 583590), (35, 533568), (40, 466872), (42, 444640), (48, 389060), (49, 381120), (56, 333480), (60, 311248), (64, 291795), (70, 266784), (80, 233436), (84, 222320), (96, 194530), (98, 190560), (105, 177856), (112, 166740), (120, 155624), (140, 133392), (147, 127040), (160, 116718), (168, 111160), (192, 97265), (196, 95280), (210, 88928), (224, 83370), (240, 77812), (245, 76224), (280, 66696), (294, 63520), (320, 58359), (336, 55580), (392, 47640), (397, 47040), (420, 44464), (448, 41685), (480, 38906), (490, 38112), (560, 33348), (588, 31760), (672, 27790), (735, 25408), (784, 23820), (794, 23520), (840, 22232), (960, 19453), (980, 19056), (1120, 16674), (1176, 15880), (1191, 15680), (1344, 13895), (1470, 12704), (1568, 11910), (1588, 11760), (1680, 11116), (1960, 9528), (1985, 9408), (2240, 8337), (2352, 7940), (2382, 7840), (2779, 6720), (2940, 6352), (3136, 5955), (3176, 5880), (3360, 5558), (3920, 4764), (3970, 4704)]