320954220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1979}}^1$

素因数の和:2064

約数の個数: 144

約数和(自身を含む): 1050809760

約数和(自身を除く): 729855540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 53, 60, 68, 85, 90, 102, 106, 153, 159, 170, 180, 204, 212, 255, 265, 306, 318, 340, 477, 510, 530, 612, 636, 765, 795, 901, 954, 1020, 1060, 1530, 1590, 1802, 1908, 1979, 2385, 2703, 3060, 3180, 3604, 3958, 4505, 4770, 5406, 5937, 7916, 8109, 9010, 9540, 9895, 10812, 11874, 13515, 16218, 17811, 18020, 19790, 23748, 27030, 29685, 32436, 33643, 35622, 39580, 40545, 54060, 59370, 67286, 71244, 81090, 89055, 100929, 104887, 118740, 134572, 162180, 168215, 178110, 201858, 209774, 302787, 314661, 336430, 356220, 403716, 419548, 504645, 524435, 605574, 629322, 672860, 943983, 1009290, 1048870, 1211148, 1258644, 1513935, 1573305, 1783079, 1887966, 2018580, 2097740, 3027870, 3146610, 3566158, 3775932, 4719915, 5349237, 6055740, 6293220, 7132316, 8915395, 9439830, 10698474, 16047711, 17830790, 18879660, 21396948, 26746185, 32095422, 35661580, 53492370, 64190844, 80238555, 106984740, 160477110, 320954220]

約数ペア:

[(1, 320954220), (2, 160477110), (3, 106984740), (4, 80238555), (5, 64190844), (6, 53492370), (9, 35661580), (10, 32095422), (12, 26746185), (15, 21396948), (17, 18879660), (18, 17830790), (20, 16047711), (30, 10698474), (34, 9439830), (36, 8915395), (45, 7132316), (51, 6293220), (53, 6055740), (60, 5349237), (68, 4719915), (85, 3775932), (90, 3566158), (102, 3146610), (106, 3027870), (153, 2097740), (159, 2018580), (170, 1887966), (180, 1783079), (204, 1573305), (212, 1513935), (255, 1258644), (265, 1211148), (306, 1048870), (318, 1009290), (340, 943983), (477, 672860), (510, 629322), (530, 605574), (612, 524435), (636, 504645), (765, 419548), (795, 403716), (901, 356220), (954, 336430), (1020, 314661), (1060, 302787), (1530, 209774), (1590, 201858), (1802, 178110), (1908, 168215), (1979, 162180), (2385, 134572), (2703, 118740), (3060, 104887), (3180, 100929), (3604, 89055), (3958, 81090), (4505, 71244), (4770, 67286), (5406, 59370), (5937, 54060), (7916, 40545), (8109, 39580), (9010, 35622), (9540, 33643), (9895, 32436), (10812, 29685), (11874, 27030), (13515, 23748), (16218, 19790), (17811, 18020)]