16638720

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{619}}^1$

素因数の和:650

約数の個数: 144

約数和(自身を含む): 60829440

約数和(自身を除く): 44190720

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, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 619, 640, 672, 768, 840, 896, 960, 1120, 1238, 1280, 1344, 1680, 1792, 1857, 1920, 2240, 2476, 2688, 3095, 3360, 3714, 3840, 4333, 4480, 4952, 5376, 6190, 6720, 7428, 8666, 8960, 9285, 9904, 12380, 12999, 13440, 14856, 17332, 18570, 19808, 21665, 24760, 25998, 26880, 29712, 34664, 37140, 39616, 43330, 49520, 51996, 59424, 64995, 69328, 74280, 79232, 86660, 99040, 103992, 118848, 129990, 138656, 148560, 158464, 173320, 198080, 207984, 237696, 259980, 277312, 297120, 346640, 396160, 415968, 475392, 519960, 554624, 594240, 693280, 792320, 831936, 1039920, 1109248, 1188480, 1386560, 1663872, 2079840, 2376960, 2773120, 3327744, 4159680, 5546240, 8319360, 16638720]

約数ペア:

[(1, 16638720), (2, 8319360), (3, 5546240), (4, 4159680), (5, 3327744), (6, 2773120), (7, 2376960), (8, 2079840), (10, 1663872), (12, 1386560), (14, 1188480), (15, 1109248), (16, 1039920), (20, 831936), (21, 792320), (24, 693280), (28, 594240), (30, 554624), (32, 519960), (35, 475392), (40, 415968), (42, 396160), (48, 346640), (56, 297120), (60, 277312), (64, 259980), (70, 237696), (80, 207984), (84, 198080), (96, 173320), (105, 158464), (112, 148560), (120, 138656), (128, 129990), (140, 118848), (160, 103992), (168, 99040), (192, 86660), (210, 79232), (224, 74280), (240, 69328), (256, 64995), (280, 59424), (320, 51996), (336, 49520), (384, 43330), (420, 39616), (448, 37140), (480, 34664), (560, 29712), (619, 26880), (640, 25998), (672, 24760), (768, 21665), (840, 19808), (896, 18570), (960, 17332), (1120, 14856), (1238, 13440), (1280, 12999), (1344, 12380), (1680, 9904), (1792, 9285), (1857, 8960), (1920, 8666), (2240, 7428), (2476, 6720), (2688, 6190), (3095, 5376), (3360, 4952), (3714, 4480), (3840, 4333)]