18233880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{443}}^1$

素因数の和:478

約数の個数: 128

約数和(自身を含む): 63936000

約数和(自身を除く): 45702120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 443, 490, 588, 686, 735, 840, 886, 980, 1029, 1176, 1329, 1372, 1470, 1715, 1772, 1960, 2058, 2215, 2658, 2744, 2940, 3101, 3430, 3544, 4116, 4430, 5145, 5316, 5880, 6202, 6645, 6860, 8232, 8860, 9303, 10290, 10632, 12404, 13290, 13720, 15505, 17720, 18606, 20580, 21707, 24808, 26580, 31010, 37212, 41160, 43414, 46515, 53160, 62020, 65121, 74424, 86828, 93030, 108535, 124040, 130242, 151949, 173656, 186060, 217070, 260484, 303898, 325605, 372120, 434140, 455847, 520968, 607796, 651210, 759745, 868280, 911694, 1215592, 1302420, 1519490, 1823388, 2279235, 2604840, 3038980, 3646776, 4558470, 6077960, 9116940, 18233880]

約数ペア:

[(1, 18233880), (2, 9116940), (3, 6077960), (4, 4558470), (5, 3646776), (6, 3038980), (7, 2604840), (8, 2279235), (10, 1823388), (12, 1519490), (14, 1302420), (15, 1215592), (20, 911694), (21, 868280), (24, 759745), (28, 651210), (30, 607796), (35, 520968), (40, 455847), (42, 434140), (49, 372120), (56, 325605), (60, 303898), (70, 260484), (84, 217070), (98, 186060), (105, 173656), (120, 151949), (140, 130242), (147, 124040), (168, 108535), (196, 93030), (210, 86828), (245, 74424), (280, 65121), (294, 62020), (343, 53160), (392, 46515), (420, 43414), (443, 41160), (490, 37212), (588, 31010), (686, 26580), (735, 24808), (840, 21707), (886, 20580), (980, 18606), (1029, 17720), (1176, 15505), (1329, 13720), (1372, 13290), (1470, 12404), (1715, 10632), (1772, 10290), (1960, 9303), (2058, 8860), (2215, 8232), (2658, 6860), (2744, 6645), (2940, 6202), (3101, 5880), (3430, 5316), (3544, 5145), (4116, 4430)]