221051340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:161

約数の個数: 288

約数和(自身を含む): 764225280

約数和(自身を除く): 543173940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 29, 30, 34, 36, 45, 47, 51, 53, 58, 60, 68, 85, 87, 90, 94, 102, 106, 116, 141, 145, 153, 159, 170, 174, 180, 188, 204, 212, 235, 255, 261, 265, 282, 290, 306, 318, 340, 348, 423, 435, 470, 477, 493, 510, 522, 530, 564, 580, 612, 636, 705, 765, 795, 799, 846, 870, 901, 940, 954, 986, 1020, 1044, 1060, 1305, 1363, 1410, 1479, 1530, 1537, 1590, 1598, 1692, 1740, 1802, 1908, 1972, 2115, 2385, 2397, 2465, 2491, 2610, 2703, 2726, 2820, 2958, 3060, 3074, 3180, 3196, 3604, 3995, 4089, 4230, 4437, 4505, 4611, 4770, 4794, 4930, 4982, 5220, 5406, 5452, 5916, 6148, 6815, 7191, 7395, 7473, 7685, 7990, 8109, 8178, 8460, 8874, 9010, 9222, 9540, 9588, 9860, 9964, 10812, 11985, 12267, 12455, 13515, 13630, 13833, 14382, 14790, 14946, 15370, 15980, 16218, 16356, 17748, 18020, 18444, 20445, 22185, 22419, 23055, 23171, 23970, 24534, 24910, 26129, 27030, 27260, 27666, 28764, 29580, 29892, 30740, 32436, 35955, 37365, 40545, 40890, 42347, 44370, 44838, 46110, 46342, 47940, 49068, 49820, 52258, 54060, 55332, 61335, 69165, 69513, 71910, 72239, 74730, 78387, 81090, 81780, 84694, 88740, 89676, 92220, 92684, 104516, 112095, 115855, 122670, 127041, 130645, 138330, 139026, 143820, 144478, 149460, 156774, 162180, 169388, 208539, 211735, 216717, 224190, 231710, 235161, 245340, 254082, 261290, 276660, 278052, 288956, 313548, 347565, 361195, 381123, 391935, 417078, 423470, 433434, 448380, 463420, 470322, 508164, 522580, 635205, 650151, 695130, 722390, 762246, 783870, 834156, 846940, 866868, 940644, 1042695, 1083585, 1175805, 1228063, 1270410, 1300302, 1390260, 1444780, 1524492, 1567740, 1905615, 2085390, 2167170, 2351610, 2456126, 2540820, 2600604, 3250755, 3684189, 3811230, 4170780, 4334340, 4703220, 4912252, 6140315, 6501510, 7368378, 7622460, 11052567, 12280630, 13003020, 14736756, 18420945, 22105134, 24561260, 36841890, 44210268, 55262835, 73683780, 110525670, 221051340]

約数ペア:

[(1, 221051340), (2, 110525670), (3, 73683780), (4, 55262835), (5, 44210268), (6, 36841890), (9, 24561260), (10, 22105134), (12, 18420945), (15, 14736756), (17, 13003020), (18, 12280630), (20, 11052567), (29, 7622460), (30, 7368378), (34, 6501510), (36, 6140315), (45, 4912252), (47, 4703220), (51, 4334340), (53, 4170780), (58, 3811230), (60, 3684189), (68, 3250755), (85, 2600604), (87, 2540820), (90, 2456126), (94, 2351610), (102, 2167170), (106, 2085390), (116, 1905615), (141, 1567740), (145, 1524492), (153, 1444780), (159, 1390260), (170, 1300302), (174, 1270410), (180, 1228063), (188, 1175805), (204, 1083585), (212, 1042695), (235, 940644), (255, 866868), (261, 846940), (265, 834156), (282, 783870), (290, 762246), (306, 722390), (318, 695130), (340, 650151), (348, 635205), (423, 522580), (435, 508164), (470, 470322), (477, 463420), (493, 448380), (510, 433434), (522, 423470), (530, 417078), (564, 391935), (580, 381123), (612, 361195), (636, 347565), (705, 313548), (765, 288956), (795, 278052), (799, 276660), (846, 261290), (870, 254082), (901, 245340), (940, 235161), (954, 231710), (986, 224190), (1020, 216717), (1044, 211735), (1060, 208539), (1305, 169388), (1363, 162180), (1410, 156774), (1479, 149460), (1530, 144478), (1537, 143820), (1590, 139026), (1598, 138330), (1692, 130645), (1740, 127041), (1802, 122670), (1908, 115855), (1972, 112095), (2115, 104516), (2385, 92684), (2397, 92220), (2465, 89676), (2491, 88740), (2610, 84694), (2703, 81780), (2726, 81090), (2820, 78387), (2958, 74730), (3060, 72239), (3074, 71910), (3180, 69513), (3196, 69165), (3604, 61335), (3995, 55332), (4089, 54060), (4230, 52258), (4437, 49820), (4505, 49068), (4611, 47940), (4770, 46342), (4794, 46110), (4930, 44838), (4982, 44370), (5220, 42347), (5406, 40890), (5452, 40545), (5916, 37365), (6148, 35955), (6815, 32436), (7191, 30740), (7395, 29892), (7473, 29580), (7685, 28764), (7990, 27666), (8109, 27260), (8178, 27030), (8460, 26129), (8874, 24910), (9010, 24534), (9222, 23970), (9540, 23171), (9588, 23055), (9860, 22419), (9964, 22185), (10812, 20445), (11985, 18444), (12267, 18020), (12455, 17748), (13515, 16356), (13630, 16218), (13833, 15980), (14382, 15370), (14790, 14946)]