278770320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1237}}^1$

素因数の和:1569

約数の個数: 120

約数和(自身を含む): 939953976

約数和(自身を除く): 661183656

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 313, 360, 626, 720, 939, 1237, 1252, 1565, 1878, 2474, 2504, 2817, 3130, 3711, 3756, 4695, 4948, 5008, 5634, 6185, 6260, 7422, 7512, 9390, 9896, 11133, 11268, 12370, 12520, 14085, 14844, 15024, 18555, 18780, 19792, 22266, 22536, 24740, 25040, 28170, 29688, 37110, 37560, 44532, 45072, 49480, 55665, 56340, 59376, 74220, 75120, 89064, 98960, 111330, 112680, 148440, 178128, 222660, 225360, 296880, 387181, 445320, 774362, 890640, 1161543, 1548724, 1935905, 2323086, 3097448, 3484629, 3871810, 4646172, 5807715, 6194896, 6969258, 7743620, 9292344, 11615430, 13938516, 15487240, 17423145, 18584688, 23230860, 27877032, 30974480, 34846290, 46461720, 55754064, 69692580, 92923440, 139385160, 278770320]

約数ペア:

[(1, 278770320), (2, 139385160), (3, 92923440), (4, 69692580), (5, 55754064), (6, 46461720), (8, 34846290), (9, 30974480), (10, 27877032), (12, 23230860), (15, 18584688), (16, 17423145), (18, 15487240), (20, 13938516), (24, 11615430), (30, 9292344), (36, 7743620), (40, 6969258), (45, 6194896), (48, 5807715), (60, 4646172), (72, 3871810), (80, 3484629), (90, 3097448), (120, 2323086), (144, 1935905), (180, 1548724), (240, 1161543), (313, 890640), (360, 774362), (626, 445320), (720, 387181), (939, 296880), (1237, 225360), (1252, 222660), (1565, 178128), (1878, 148440), (2474, 112680), (2504, 111330), (2817, 98960), (3130, 89064), (3711, 75120), (3756, 74220), (4695, 59376), (4948, 56340), (5008, 55665), (5634, 49480), (6185, 45072), (6260, 44532), (7422, 37560), (7512, 37110), (9390, 29688), (9896, 28170), (11133, 25040), (11268, 24740), (12370, 22536), (12520, 22266), (14085, 19792), (14844, 18780), (15024, 18555)]