51156720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{313}}^1$

素因数の和:559

約数の個数: 120

約数和(自身を含む): 173109456

約数和(自身を除く): 121952736

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, 227, 240, 313, 360, 454, 626, 681, 720, 908, 939, 1135, 1252, 1362, 1565, 1816, 1878, 2043, 2270, 2504, 2724, 2817, 3130, 3405, 3632, 3756, 4086, 4540, 4695, 5008, 5448, 5634, 6260, 6810, 7512, 8172, 9080, 9390, 10215, 10896, 11268, 12520, 13620, 14085, 15024, 16344, 18160, 18780, 20430, 22536, 25040, 27240, 28170, 32688, 37560, 40860, 45072, 54480, 56340, 71051, 75120, 81720, 112680, 142102, 163440, 213153, 225360, 284204, 355255, 426306, 568408, 639459, 710510, 852612, 1065765, 1136816, 1278918, 1421020, 1705224, 2131530, 2557836, 2842040, 3197295, 3410448, 4263060, 5115672, 5684080, 6394590, 8526120, 10231344, 12789180, 17052240, 25578360, 51156720]

約数ペア:

[(1, 51156720), (2, 25578360), (3, 17052240), (4, 12789180), (5, 10231344), (6, 8526120), (8, 6394590), (9, 5684080), (10, 5115672), (12, 4263060), (15, 3410448), (16, 3197295), (18, 2842040), (20, 2557836), (24, 2131530), (30, 1705224), (36, 1421020), (40, 1278918), (45, 1136816), (48, 1065765), (60, 852612), (72, 710510), (80, 639459), (90, 568408), (120, 426306), (144, 355255), (180, 284204), (227, 225360), (240, 213153), (313, 163440), (360, 142102), (454, 112680), (626, 81720), (681, 75120), (720, 71051), (908, 56340), (939, 54480), (1135, 45072), (1252, 40860), (1362, 37560), (1565, 32688), (1816, 28170), (1878, 27240), (2043, 25040), (2270, 22536), (2504, 20430), (2724, 18780), (2817, 18160), (3130, 16344), (3405, 15024), (3632, 14085), (3756, 13620), (4086, 12520), (4540, 11268), (4695, 10896), (5008, 10215), (5448, 9390), (5634, 9080), (6260, 8172), (6810, 7512)]