208272780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2347}}^1$

素因数の和:2408

約数の個数: 144

約数和(自身を含む): 692284320

約数和(自身を除く): 484011540

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, 1020, 1044, 1305, 1479, 1530, 1740, 1972, 2347, 2465, 2610, 2958, 3060, 4437, 4694, 4930, 5220, 5916, 7041, 7395, 8874, 9388, 9860, 11735, 14082, 14790, 17748, 21123, 22185, 23470, 28164, 29580, 35205, 39899, 42246, 44370, 46940, 68063, 70410, 79798, 84492, 88740, 105615, 119697, 136126, 140820, 159596, 199495, 204189, 211230, 239394, 272252, 340315, 359091, 398990, 408378, 422460, 478788, 598485, 612567, 680630, 718182, 797980, 816756, 1020945, 1157071, 1196970, 1225134, 1361260, 1436364, 1795455, 2041890, 2314142, 2393940, 2450268, 3062835, 3471213, 3590910, 4083780, 4628284, 5785355, 6125670, 6942426, 7181820, 10413639, 11570710, 12251340, 13884852, 17356065, 20827278, 23141420, 34712130, 41654556, 52068195, 69424260, 104136390, 208272780]

約数ペア:

[(1, 208272780), (2, 104136390), (3, 69424260), (4, 52068195), (5, 41654556), (6, 34712130), (9, 23141420), (10, 20827278), (12, 17356065), (15, 13884852), (17, 12251340), (18, 11570710), (20, 10413639), (29, 7181820), (30, 6942426), (34, 6125670), (36, 5785355), (45, 4628284), (51, 4083780), (58, 3590910), (60, 3471213), (68, 3062835), (85, 2450268), (87, 2393940), (90, 2314142), (102, 2041890), (116, 1795455), (145, 1436364), (153, 1361260), (170, 1225134), (174, 1196970), (180, 1157071), (204, 1020945), (255, 816756), (261, 797980), (290, 718182), (306, 680630), (340, 612567), (348, 598485), (435, 478788), (493, 422460), (510, 408378), (522, 398990), (580, 359091), (612, 340315), (765, 272252), (870, 239394), (986, 211230), (1020, 204189), (1044, 199495), (1305, 159596), (1479, 140820), (1530, 136126), (1740, 119697), (1972, 105615), (2347, 88740), (2465, 84492), (2610, 79798), (2958, 70410), (3060, 68063), (4437, 46940), (4694, 44370), (4930, 42246), (5220, 39899), (5916, 35205), (7041, 29580), (7395, 28164), (8874, 23470), (9388, 22185), (9860, 21123), (11735, 17748), (14082, 14790)]