18812880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:118

約数の個数: 240

約数和(自身を含む): 70508880

約数和(自身を除く): 51696000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 29, 30, 34, 36, 40, 45, 48, 51, 53, 58, 60, 68, 72, 80, 85, 87, 90, 102, 106, 116, 120, 136, 144, 145, 153, 159, 170, 174, 180, 204, 212, 232, 240, 255, 261, 265, 272, 290, 306, 318, 340, 348, 360, 408, 424, 435, 464, 477, 493, 510, 522, 530, 580, 612, 636, 680, 696, 720, 765, 795, 816, 848, 870, 901, 954, 986, 1020, 1044, 1060, 1160, 1224, 1272, 1305, 1360, 1392, 1479, 1530, 1537, 1590, 1740, 1802, 1908, 1972, 2040, 2088, 2120, 2320, 2385, 2448, 2465, 2544, 2610, 2703, 2958, 3060, 3074, 3180, 3480, 3604, 3816, 3944, 4080, 4176, 4240, 4437, 4505, 4611, 4770, 4930, 5220, 5406, 5916, 6120, 6148, 6360, 6960, 7208, 7395, 7632, 7685, 7888, 8109, 8874, 9010, 9222, 9540, 9860, 10440, 10812, 11832, 12240, 12296, 12720, 13515, 13833, 14416, 14790, 15370, 16218, 17748, 18020, 18444, 19080, 19720, 20880, 21624, 22185, 23055, 23664, 24592, 26129, 27030, 27666, 29580, 30740, 32436, 35496, 36040, 36888, 38160, 39440, 40545, 43248, 44370, 46110, 52258, 54060, 55332, 59160, 61480, 64872, 69165, 70992, 72080, 73776, 78387, 81090, 88740, 92220, 104516, 108120, 110664, 118320, 122960, 129744, 130645, 138330, 156774, 162180, 177480, 184440, 209032, 216240, 221328, 235161, 261290, 276660, 313548, 324360, 354960, 368880, 391935, 418064, 470322, 522580, 553320, 627096, 648720, 783870, 940644, 1045160, 1106640, 1175805, 1254192, 1567740, 1881288, 2090320, 2351610, 3135480, 3762576, 4703220, 6270960, 9406440, 18812880]

約数ペア:

[(1, 18812880), (2, 9406440), (3, 6270960), (4, 4703220), (5, 3762576), (6, 3135480), (8, 2351610), (9, 2090320), (10, 1881288), (12, 1567740), (15, 1254192), (16, 1175805), (17, 1106640), (18, 1045160), (20, 940644), (24, 783870), (29, 648720), (30, 627096), (34, 553320), (36, 522580), (40, 470322), (45, 418064), (48, 391935), (51, 368880), (53, 354960), (58, 324360), (60, 313548), (68, 276660), (72, 261290), (80, 235161), (85, 221328), (87, 216240), (90, 209032), (102, 184440), (106, 177480), (116, 162180), (120, 156774), (136, 138330), (144, 130645), (145, 129744), (153, 122960), (159, 118320), (170, 110664), (174, 108120), (180, 104516), (204, 92220), (212, 88740), (232, 81090), (240, 78387), (255, 73776), (261, 72080), (265, 70992), (272, 69165), (290, 64872), (306, 61480), (318, 59160), (340, 55332), (348, 54060), (360, 52258), (408, 46110), (424, 44370), (435, 43248), (464, 40545), (477, 39440), (493, 38160), (510, 36888), (522, 36040), (530, 35496), (580, 32436), (612, 30740), (636, 29580), (680, 27666), (696, 27030), (720, 26129), (765, 24592), (795, 23664), (816, 23055), (848, 22185), (870, 21624), (901, 20880), (954, 19720), (986, 19080), (1020, 18444), (1044, 18020), (1060, 17748), (1160, 16218), (1224, 15370), (1272, 14790), (1305, 14416), (1360, 13833), (1392, 13515), (1479, 12720), (1530, 12296), (1537, 12240), (1590, 11832), (1740, 10812), (1802, 10440), (1908, 9860), (1972, 9540), (2040, 9222), (2088, 9010), (2120, 8874), (2320, 8109), (2385, 7888), (2448, 7685), (2465, 7632), (2544, 7395), (2610, 7208), (2703, 6960), (2958, 6360), (3060, 6148), (3074, 6120), (3180, 5916), (3480, 5406), (3604, 5220), (3816, 4930), (3944, 4770), (4080, 4611), (4176, 4505), (4240, 4437)]