78921720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5347}}^1$

素因数の和:5405

約数の個数: 96

約数和(自身を含む): 262800720

約数和(自身を除く): 183879000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 60, 72, 82, 90, 120, 123, 164, 180, 205, 246, 328, 360, 369, 410, 492, 615, 738, 820, 984, 1230, 1476, 1640, 1845, 2460, 2952, 3690, 4920, 5347, 7380, 10694, 14760, 16041, 21388, 26735, 32082, 42776, 48123, 53470, 64164, 80205, 96246, 106940, 128328, 160410, 192492, 213880, 219227, 240615, 320820, 384984, 438454, 481230, 641640, 657681, 876908, 962460, 1096135, 1315362, 1753816, 1924920, 1973043, 2192270, 2630724, 3288405, 3946086, 4384540, 5261448, 6576810, 7892172, 8769080, 9865215, 13153620, 15784344, 19730430, 26307240, 39460860, 78921720]

約数ペア:

[(1, 78921720), (2, 39460860), (3, 26307240), (4, 19730430), (5, 15784344), (6, 13153620), (8, 9865215), (9, 8769080), (10, 7892172), (12, 6576810), (15, 5261448), (18, 4384540), (20, 3946086), (24, 3288405), (30, 2630724), (36, 2192270), (40, 1973043), (41, 1924920), (45, 1753816), (60, 1315362), (72, 1096135), (82, 962460), (90, 876908), (120, 657681), (123, 641640), (164, 481230), (180, 438454), (205, 384984), (246, 320820), (328, 240615), (360, 219227), (369, 213880), (410, 192492), (492, 160410), (615, 128328), (738, 106940), (820, 96246), (984, 80205), (1230, 64164), (1476, 53470), (1640, 48123), (1845, 42776), (2460, 32082), (2952, 26735), (3690, 21388), (4920, 16041), (5347, 14760), (7380, 10694)]