18767910420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{303983}}^1$

素因数の和:304019

約数の個数: 144

約数和(自身を含む): 66390105600

約数和(自身を除く): 47622195180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 343, 420, 441, 490, 588, 630, 686, 735, 882, 980, 1029, 1260, 1372, 1470, 1715, 1764, 2058, 2205, 2940, 3087, 3430, 4116, 4410, 5145, 6174, 6860, 8820, 10290, 12348, 15435, 20580, 30870, 61740, 303983, 607966, 911949, 1215932, 1519915, 1823898, 2127881, 2735847, 3039830, 3647796, 4255762, 4559745, 5471694, 6079660, 6383643, 8511524, 9119490, 10639405, 10943388, 12767286, 13679235, 14895167, 18238980, 19150929, 21278810, 25534572, 27358470, 29790334, 31918215, 38301858, 42557620, 44685501, 54716940, 59580668, 63836430, 74475835, 76603716, 89371002, 95754645, 104266169, 127672860, 134056503, 148951670, 178742004, 191509290, 208532338, 223427505, 268113006, 297903340, 312798507, 383018580, 417064676, 446855010, 521330845, 536226012, 625597014, 670282515, 893710020, 938395521, 1042661690, 1251194028, 1340565030, 1563992535, 1876791042, 2085323380, 2681130060, 3127985070, 3753582084, 4691977605, 6255970140, 9383955210, 18767910420]

約数ペア:

[(1, 18767910420), (2, 9383955210), (3, 6255970140), (4, 4691977605), (5, 3753582084), (6, 3127985070), (7, 2681130060), (9, 2085323380), (10, 1876791042), (12, 1563992535), (14, 1340565030), (15, 1251194028), (18, 1042661690), (20, 938395521), (21, 893710020), (28, 670282515), (30, 625597014), (35, 536226012), (36, 521330845), (42, 446855010), (45, 417064676), (49, 383018580), (60, 312798507), (63, 297903340), (70, 268113006), (84, 223427505), (90, 208532338), (98, 191509290), (105, 178742004), (126, 148951670), (140, 134056503), (147, 127672860), (180, 104266169), (196, 95754645), (210, 89371002), (245, 76603716), (252, 74475835), (294, 63836430), (315, 59580668), (343, 54716940), (420, 44685501), (441, 42557620), (490, 38301858), (588, 31918215), (630, 29790334), (686, 27358470), (735, 25534572), (882, 21278810), (980, 19150929), (1029, 18238980), (1260, 14895167), (1372, 13679235), (1470, 12767286), (1715, 10943388), (1764, 10639405), (2058, 9119490), (2205, 8511524), (2940, 6383643), (3087, 6079660), (3430, 5471694), (4116, 4559745), (4410, 4255762), (5145, 3647796), (6174, 3039830), (6860, 2735847), (8820, 2127881), (10290, 1823898), (12348, 1519915), (15435, 1215932), (20580, 911949), (30870, 607966), (61740, 303983)]