262386720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{709}}^1$

素因数の和:987

約数の個数: 144

約数和(自身を含む): 900146520

約数和(自身を除く): 637759800

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, 72, 80, 90, 96, 120, 144, 160, 180, 240, 257, 288, 360, 480, 514, 709, 720, 771, 1028, 1285, 1418, 1440, 1542, 2056, 2127, 2313, 2570, 2836, 3084, 3545, 3855, 4112, 4254, 4626, 5140, 5672, 6168, 6381, 7090, 7710, 8224, 8508, 9252, 10280, 10635, 11344, 11565, 12336, 12762, 14180, 15420, 17016, 18504, 20560, 21270, 22688, 23130, 24672, 25524, 28360, 30840, 31905, 34032, 37008, 41120, 42540, 46260, 51048, 56720, 61680, 63810, 68064, 74016, 85080, 92520, 102096, 113440, 123360, 127620, 170160, 182213, 185040, 204192, 255240, 340320, 364426, 370080, 510480, 546639, 728852, 911065, 1020960, 1093278, 1457704, 1639917, 1822130, 2186556, 2733195, 2915408, 3279834, 3644260, 4373112, 5466390, 5830816, 6559668, 7288520, 8199585, 8746224, 10932780, 13119336, 14577040, 16399170, 17492448, 21865560, 26238672, 29154080, 32798340, 43731120, 52477344, 65596680, 87462240, 131193360, 262386720]

約数ペア:

[(1, 262386720), (2, 131193360), (3, 87462240), (4, 65596680), (5, 52477344), (6, 43731120), (8, 32798340), (9, 29154080), (10, 26238672), (12, 21865560), (15, 17492448), (16, 16399170), (18, 14577040), (20, 13119336), (24, 10932780), (30, 8746224), (32, 8199585), (36, 7288520), (40, 6559668), (45, 5830816), (48, 5466390), (60, 4373112), (72, 3644260), (80, 3279834), (90, 2915408), (96, 2733195), (120, 2186556), (144, 1822130), (160, 1639917), (180, 1457704), (240, 1093278), (257, 1020960), (288, 911065), (360, 728852), (480, 546639), (514, 510480), (709, 370080), (720, 364426), (771, 340320), (1028, 255240), (1285, 204192), (1418, 185040), (1440, 182213), (1542, 170160), (2056, 127620), (2127, 123360), (2313, 113440), (2570, 102096), (2836, 92520), (3084, 85080), (3545, 74016), (3855, 68064), (4112, 63810), (4254, 61680), (4626, 56720), (5140, 51048), (5672, 46260), (6168, 42540), (6381, 41120), (7090, 37008), (7710, 34032), (8224, 31905), (8508, 30840), (9252, 28360), (10280, 25524), (10635, 24672), (11344, 23130), (11565, 22688), (12336, 21270), (12762, 20560), (14180, 18504), (15420, 17016)]