64840320

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{11257}}^1$

素因数の和:11282

約数の個数: 96

約数和(自身を含む): 223921620

約数和(自身を除く): 159081300

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 5760, 11257, 22514, 33771, 45028, 56285, 67542, 90056, 101313, 112570, 135084, 168855, 180112, 202626, 225140, 270168, 337710, 360224, 405252, 450280, 506565, 540336, 675420, 720448, 810504, 900560, 1013130, 1080672, 1350840, 1440896, 1621008, 1801120, 2026260, 2161344, 2701680, 3242016, 3602240, 4052520, 4322688, 5403360, 6484032, 7204480, 8105040, 10806720, 12968064, 16210080, 21613440, 32420160, 64840320]

約数ペア:

[(1, 64840320), (2, 32420160), (3, 21613440), (4, 16210080), (5, 12968064), (6, 10806720), (8, 8105040), (9, 7204480), (10, 6484032), (12, 5403360), (15, 4322688), (16, 4052520), (18, 3602240), (20, 3242016), (24, 2701680), (30, 2161344), (32, 2026260), (36, 1801120), (40, 1621008), (45, 1440896), (48, 1350840), (60, 1080672), (64, 1013130), (72, 900560), (80, 810504), (90, 720448), (96, 675420), (120, 540336), (128, 506565), (144, 450280), (160, 405252), (180, 360224), (192, 337710), (240, 270168), (288, 225140), (320, 202626), (360, 180112), (384, 168855), (480, 135084), (576, 112570), (640, 101313), (720, 90056), (960, 67542), (1152, 56285), (1440, 45028), (1920, 33771), (2880, 22514), (5760, 11257)]