18847680

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{677}}^1$

素因数の和:726

約数の個数: 112

約数和(自身を含む): 61996320

約数和(自身を除く): 43148640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 64, 80, 87, 96, 116, 120, 145, 160, 174, 192, 232, 240, 290, 320, 348, 435, 464, 480, 580, 677, 696, 870, 928, 960, 1160, 1354, 1392, 1740, 1856, 2031, 2320, 2708, 2784, 3385, 3480, 4062, 4640, 5416, 5568, 6770, 6960, 8124, 9280, 10155, 10832, 13540, 13920, 16248, 19633, 20310, 21664, 27080, 27840, 32496, 39266, 40620, 43328, 54160, 58899, 64992, 78532, 81240, 98165, 108320, 117798, 129984, 157064, 162480, 196330, 216640, 235596, 294495, 314128, 324960, 392660, 471192, 588990, 628256, 649920, 785320, 942384, 1177980, 1256512, 1570640, 1884768, 2355960, 3141280, 3769536, 4711920, 6282560, 9423840, 18847680]

約数ペア:

[(1, 18847680), (2, 9423840), (3, 6282560), (4, 4711920), (5, 3769536), (6, 3141280), (8, 2355960), (10, 1884768), (12, 1570640), (15, 1256512), (16, 1177980), (20, 942384), (24, 785320), (29, 649920), (30, 628256), (32, 588990), (40, 471192), (48, 392660), (58, 324960), (60, 314128), (64, 294495), (80, 235596), (87, 216640), (96, 196330), (116, 162480), (120, 157064), (145, 129984), (160, 117798), (174, 108320), (192, 98165), (232, 81240), (240, 78532), (290, 64992), (320, 58899), (348, 54160), (435, 43328), (464, 40620), (480, 39266), (580, 32496), (677, 27840), (696, 27080), (870, 21664), (928, 20310), (960, 19633), (1160, 16248), (1354, 13920), (1392, 13540), (1740, 10832), (1856, 10155), (2031, 9280), (2320, 8124), (2708, 6960), (2784, 6770), (3385, 5568), (3480, 5416), (4062, 4640)]