18870660720

素因数分解:

$2^4\times 3^7\times 5^1\times {\mathrm{107857}}^1$

素因数の和:107891

約数の個数: 160

約数和(自身を含む): 65802008640

約数和(自身を除く): 46931347920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 729, 810, 972, 1080, 1215, 1296, 1458, 1620, 1944, 2160, 2187, 2430, 2916, 3240, 3645, 3888, 4374, 4860, 5832, 6480, 7290, 8748, 9720, 10935, 11664, 14580, 17496, 19440, 21870, 29160, 34992, 43740, 58320, 87480, 107857, 174960, 215714, 323571, 431428, 539285, 647142, 862856, 970713, 1078570, 1294284, 1617855, 1725712, 1941426, 2157140, 2588568, 2912139, 3235710, 3882852, 4314280, 4853565, 5177136, 5824278, 6471420, 7765704, 8628560, 8736417, 9707130, 11648556, 12942840, 14560695, 15531408, 17472834, 19414260, 23297112, 25885680, 26209251, 29121390, 34945668, 38828520, 43682085, 46594224, 52418502, 58242780, 69891336, 77657040, 78627753, 87364170, 104837004, 116485560, 131046255, 139782672, 157255506, 174728340, 209674008, 232971120, 235883259, 262092510, 314511012, 349456680, 393138765, 419348016, 471766518, 524185020, 629022024, 698913360, 786277530, 943533036, 1048370040, 1179416295, 1258044048, 1572555060, 1887066072, 2096740080, 2358832590, 3145110120, 3774132144, 4717665180, 6290220240, 9435330360, 18870660720]

約数ペア:

[(1, 18870660720), (2, 9435330360), (3, 6290220240), (4, 4717665180), (5, 3774132144), (6, 3145110120), (8, 2358832590), (9, 2096740080), (10, 1887066072), (12, 1572555060), (15, 1258044048), (16, 1179416295), (18, 1048370040), (20, 943533036), (24, 786277530), (27, 698913360), (30, 629022024), (36, 524185020), (40, 471766518), (45, 419348016), (48, 393138765), (54, 349456680), (60, 314511012), (72, 262092510), (80, 235883259), (81, 232971120), (90, 209674008), (108, 174728340), (120, 157255506), (135, 139782672), (144, 131046255), (162, 116485560), (180, 104837004), (216, 87364170), (240, 78627753), (243, 77657040), (270, 69891336), (324, 58242780), (360, 52418502), (405, 46594224), (432, 43682085), (486, 38828520), (540, 34945668), (648, 29121390), (720, 26209251), (729, 25885680), (810, 23297112), (972, 19414260), (1080, 17472834), (1215, 15531408), (1296, 14560695), (1458, 12942840), (1620, 11648556), (1944, 9707130), (2160, 8736417), (2187, 8628560), (2430, 7765704), (2916, 6471420), (3240, 5824278), (3645, 5177136), (3888, 4853565), (4374, 4314280), (4860, 3882852), (5832, 3235710), (6480, 2912139), (7290, 2588568), (8748, 2157140), (9720, 1941426), (10935, 1725712), (11664, 1617855), (14580, 1294284), (17496, 1078570), (19440, 970713), (21870, 862856), (29160, 647142), (34992, 539285), (43740, 431428), (58320, 323571), (87480, 215714), (107857, 174960)]