87941340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{991}}^1$

素因数の和:1052

約数の個数: 144

約数和(自身を含む): 292481280

約数和(自身を除く): 204539940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 29, 30, 34, 36, 45, 51, 58, 60, 68, 85, 87, 90, 102, 116, 145, 153, 170, 174, 180, 204, 255, 261, 290, 306, 340, 348, 435, 493, 510, 522, 580, 612, 765, 870, 986, 991, 1020, 1044, 1305, 1479, 1530, 1740, 1972, 1982, 2465, 2610, 2958, 2973, 3060, 3964, 4437, 4930, 4955, 5220, 5916, 5946, 7395, 8874, 8919, 9860, 9910, 11892, 14790, 14865, 16847, 17748, 17838, 19820, 22185, 28739, 29580, 29730, 33694, 35676, 44370, 44595, 50541, 57478, 59460, 67388, 84235, 86217, 88740, 89190, 101082, 114956, 143695, 151623, 168470, 172434, 178380, 202164, 252705, 258651, 287390, 303246, 336940, 344868, 431085, 488563, 505410, 517302, 574780, 606492, 758115, 862170, 977126, 1010820, 1034604, 1293255, 1465689, 1516230, 1724340, 1954252, 2442815, 2586510, 2931378, 3032460, 4397067, 4885630, 5173020, 5862756, 7328445, 8794134, 9771260, 14656890, 17588268, 21985335, 29313780, 43970670, 87941340]

約数ペア:

[(1, 87941340), (2, 43970670), (3, 29313780), (4, 21985335), (5, 17588268), (6, 14656890), (9, 9771260), (10, 8794134), (12, 7328445), (15, 5862756), (17, 5173020), (18, 4885630), (20, 4397067), (29, 3032460), (30, 2931378), (34, 2586510), (36, 2442815), (45, 1954252), (51, 1724340), (58, 1516230), (60, 1465689), (68, 1293255), (85, 1034604), (87, 1010820), (90, 977126), (102, 862170), (116, 758115), (145, 606492), (153, 574780), (170, 517302), (174, 505410), (180, 488563), (204, 431085), (255, 344868), (261, 336940), (290, 303246), (306, 287390), (340, 258651), (348, 252705), (435, 202164), (493, 178380), (510, 172434), (522, 168470), (580, 151623), (612, 143695), (765, 114956), (870, 101082), (986, 89190), (991, 88740), (1020, 86217), (1044, 84235), (1305, 67388), (1479, 59460), (1530, 57478), (1740, 50541), (1972, 44595), (1982, 44370), (2465, 35676), (2610, 33694), (2958, 29730), (2973, 29580), (3060, 28739), (3964, 22185), (4437, 19820), (4930, 17838), (4955, 17748), (5220, 16847), (5916, 14865), (5946, 14790), (7395, 11892), (8874, 9910), (8919, 9860)]