66408480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{431}}^1$

素因数の和:559

約数の個数: 144

約数和(自身を含む): 229267584

約数和(自身を除く): 162859104

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, 107, 120, 144, 160, 180, 214, 240, 288, 321, 360, 428, 431, 480, 535, 642, 720, 856, 862, 963, 1070, 1284, 1293, 1440, 1605, 1712, 1724, 1926, 2140, 2155, 2568, 2586, 3210, 3424, 3448, 3852, 3879, 4280, 4310, 4815, 5136, 5172, 6420, 6465, 6896, 7704, 7758, 8560, 8620, 9630, 10272, 10344, 12840, 12930, 13792, 15408, 15516, 17120, 17240, 19260, 19395, 20688, 25680, 25860, 30816, 31032, 34480, 38520, 38790, 41376, 46117, 51360, 51720, 62064, 68960, 77040, 77580, 92234, 103440, 124128, 138351, 154080, 155160, 184468, 206880, 230585, 276702, 310320, 368936, 415053, 461170, 553404, 620640, 691755, 737872, 830106, 922340, 1106808, 1383510, 1475744, 1660212, 1844680, 2075265, 2213616, 2767020, 3320424, 3689360, 4150530, 4427232, 5534040, 6640848, 7378720, 8301060, 11068080, 13281696, 16602120, 22136160, 33204240, 66408480]

約数ペア:

[(1, 66408480), (2, 33204240), (3, 22136160), (4, 16602120), (5, 13281696), (6, 11068080), (8, 8301060), (9, 7378720), (10, 6640848), (12, 5534040), (15, 4427232), (16, 4150530), (18, 3689360), (20, 3320424), (24, 2767020), (30, 2213616), (32, 2075265), (36, 1844680), (40, 1660212), (45, 1475744), (48, 1383510), (60, 1106808), (72, 922340), (80, 830106), (90, 737872), (96, 691755), (107, 620640), (120, 553404), (144, 461170), (160, 415053), (180, 368936), (214, 310320), (240, 276702), (288, 230585), (321, 206880), (360, 184468), (428, 155160), (431, 154080), (480, 138351), (535, 124128), (642, 103440), (720, 92234), (856, 77580), (862, 77040), (963, 68960), (1070, 62064), (1284, 51720), (1293, 51360), (1440, 46117), (1605, 41376), (1712, 38790), (1724, 38520), (1926, 34480), (2140, 31032), (2155, 30816), (2568, 25860), (2586, 25680), (3210, 20688), (3424, 19395), (3448, 19260), (3852, 17240), (3879, 17120), (4280, 15516), (4310, 15408), (4815, 13792), (5136, 12930), (5172, 12840), (6420, 10344), (6465, 10272), (6896, 9630), (7704, 8620), (7758, 8560)]