18732840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{769}}^1$

素因数の和:819

約数の個数: 128

約数和(自身を含む): 66528000

約数和(自身を除く): 47795160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 56, 58, 60, 70, 84, 87, 105, 116, 120, 140, 145, 168, 174, 203, 210, 232, 280, 290, 348, 406, 420, 435, 580, 609, 696, 769, 812, 840, 870, 1015, 1160, 1218, 1538, 1624, 1740, 2030, 2307, 2436, 3045, 3076, 3480, 3845, 4060, 4614, 4872, 5383, 6090, 6152, 7690, 8120, 9228, 10766, 11535, 12180, 15380, 16149, 18456, 21532, 22301, 23070, 24360, 26915, 30760, 32298, 43064, 44602, 46140, 53830, 64596, 66903, 80745, 89204, 92280, 107660, 111505, 129192, 133806, 156107, 161490, 178408, 215320, 223010, 267612, 312214, 322980, 334515, 446020, 468321, 535224, 624428, 645960, 669030, 780535, 892040, 936642, 1248856, 1338060, 1561070, 1873284, 2341605, 2676120, 3122140, 3746568, 4683210, 6244280, 9366420, 18732840]

約数ペア:

[(1, 18732840), (2, 9366420), (3, 6244280), (4, 4683210), (5, 3746568), (6, 3122140), (7, 2676120), (8, 2341605), (10, 1873284), (12, 1561070), (14, 1338060), (15, 1248856), (20, 936642), (21, 892040), (24, 780535), (28, 669030), (29, 645960), (30, 624428), (35, 535224), (40, 468321), (42, 446020), (56, 334515), (58, 322980), (60, 312214), (70, 267612), (84, 223010), (87, 215320), (105, 178408), (116, 161490), (120, 156107), (140, 133806), (145, 129192), (168, 111505), (174, 107660), (203, 92280), (210, 89204), (232, 80745), (280, 66903), (290, 64596), (348, 53830), (406, 46140), (420, 44602), (435, 43064), (580, 32298), (609, 30760), (696, 26915), (769, 24360), (812, 23070), (840, 22301), (870, 21532), (1015, 18456), (1160, 16149), (1218, 15380), (1538, 12180), (1624, 11535), (1740, 10766), (2030, 9228), (2307, 8120), (2436, 7690), (3045, 6152), (3076, 6090), (3480, 5383), (3845, 4872), (4060, 4614)]