321872940

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{643}}^1$

素因数の和:770

約数の個数: 144

約数和(自身を含む): 1023929088

約数和(自身を除く): 702056148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 103, 108, 135, 162, 180, 206, 243, 270, 309, 324, 405, 412, 486, 515, 540, 618, 643, 810, 927, 972, 1030, 1215, 1236, 1286, 1545, 1620, 1854, 1929, 2060, 2430, 2572, 2781, 3090, 3215, 3708, 3858, 4635, 4860, 5562, 5787, 6180, 6430, 7716, 8343, 9270, 9645, 11124, 11574, 12860, 13905, 16686, 17361, 18540, 19290, 23148, 25029, 27810, 28935, 33372, 34722, 38580, 41715, 50058, 52083, 55620, 57870, 66229, 69444, 83430, 86805, 100116, 104166, 115740, 125145, 132458, 156249, 166860, 173610, 198687, 208332, 250290, 260415, 264916, 312498, 331145, 347220, 397374, 500580, 520830, 596061, 624996, 662290, 781245, 794748, 993435, 1041660, 1192122, 1324580, 1562490, 1788183, 1986870, 2384244, 2980305, 3124980, 3576366, 3973740, 5364549, 5960610, 7152732, 8940915, 10729098, 11921220, 16093647, 17881830, 21458196, 26822745, 32187294, 35763660, 53645490, 64374588, 80468235, 107290980, 160936470, 321872940]

約数ペア:

[(1, 321872940), (2, 160936470), (3, 107290980), (4, 80468235), (5, 64374588), (6, 53645490), (9, 35763660), (10, 32187294), (12, 26822745), (15, 21458196), (18, 17881830), (20, 16093647), (27, 11921220), (30, 10729098), (36, 8940915), (45, 7152732), (54, 5960610), (60, 5364549), (81, 3973740), (90, 3576366), (103, 3124980), (108, 2980305), (135, 2384244), (162, 1986870), (180, 1788183), (206, 1562490), (243, 1324580), (270, 1192122), (309, 1041660), (324, 993435), (405, 794748), (412, 781245), (486, 662290), (515, 624996), (540, 596061), (618, 520830), (643, 500580), (810, 397374), (927, 347220), (972, 331145), (1030, 312498), (1215, 264916), (1236, 260415), (1286, 250290), (1545, 208332), (1620, 198687), (1854, 173610), (1929, 166860), (2060, 156249), (2430, 132458), (2572, 125145), (2781, 115740), (3090, 104166), (3215, 100116), (3708, 86805), (3858, 83430), (4635, 69444), (4860, 66229), (5562, 57870), (5787, 55620), (6180, 52083), (6430, 50058), (7716, 41715), (8343, 38580), (9270, 34722), (9645, 33372), (11124, 28935), (11574, 27810), (12860, 25029), (13905, 23148), (16686, 19290), (17361, 18540)]