16851840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:220

約数の個数: 128

約数和(自身を含む): 54933120

約数和(自身を除く): 38081280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 67, 80, 96, 120, 128, 131, 134, 160, 192, 201, 240, 262, 268, 320, 335, 384, 393, 402, 480, 524, 536, 640, 655, 670, 786, 804, 960, 1005, 1048, 1072, 1310, 1340, 1572, 1608, 1920, 1965, 2010, 2096, 2144, 2620, 2680, 3144, 3216, 3930, 4020, 4192, 4288, 5240, 5360, 6288, 6432, 7860, 8040, 8384, 8576, 8777, 10480, 10720, 12576, 12864, 15720, 16080, 16768, 17554, 20960, 21440, 25152, 25728, 26331, 31440, 32160, 35108, 41920, 42880, 43885, 50304, 52662, 62880, 64320, 70216, 83840, 87770, 105324, 125760, 128640, 131655, 140432, 175540, 210648, 251520, 263310, 280864, 351080, 421296, 526620, 561728, 702160, 842592, 1053240, 1123456, 1404320, 1685184, 2106480, 2808640, 3370368, 4212960, 5617280, 8425920, 16851840]

約数ペア:

[(1, 16851840), (2, 8425920), (3, 5617280), (4, 4212960), (5, 3370368), (6, 2808640), (8, 2106480), (10, 1685184), (12, 1404320), (15, 1123456), (16, 1053240), (20, 842592), (24, 702160), (30, 561728), (32, 526620), (40, 421296), (48, 351080), (60, 280864), (64, 263310), (67, 251520), (80, 210648), (96, 175540), (120, 140432), (128, 131655), (131, 128640), (134, 125760), (160, 105324), (192, 87770), (201, 83840), (240, 70216), (262, 64320), (268, 62880), (320, 52662), (335, 50304), (384, 43885), (393, 42880), (402, 41920), (480, 35108), (524, 32160), (536, 31440), (640, 26331), (655, 25728), (670, 25152), (786, 21440), (804, 20960), (960, 17554), (1005, 16768), (1048, 16080), (1072, 15720), (1310, 12864), (1340, 12576), (1572, 10720), (1608, 10480), (1920, 8777), (1965, 8576), (2010, 8384), (2096, 8040), (2144, 7860), (2620, 6432), (2680, 6288), (3144, 5360), (3216, 5240), (3930, 4288), (4020, 4192)]