64817640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{449}}^1$

素因数の和:867

約数の個数: 96

約数和(自身を含む): 211653000

約数和(自身を除く): 146835360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 401, 449, 802, 898, 1203, 1347, 1604, 1796, 2005, 2245, 2406, 2694, 3208, 3592, 3609, 4010, 4041, 4490, 4812, 5388, 6015, 6735, 7218, 8020, 8082, 8980, 9624, 10776, 12030, 13470, 14436, 16040, 16164, 17960, 18045, 20205, 24060, 26940, 28872, 32328, 36090, 40410, 48120, 53880, 72180, 80820, 144360, 161640, 180049, 360098, 540147, 720196, 900245, 1080294, 1440392, 1620441, 1800490, 2160588, 2700735, 3240882, 3600980, 4321176, 5401470, 6481764, 7201960, 8102205, 10802940, 12963528, 16204410, 21605880, 32408820, 64817640]

約数ペア:

[(1, 64817640), (2, 32408820), (3, 21605880), (4, 16204410), (5, 12963528), (6, 10802940), (8, 8102205), (9, 7201960), (10, 6481764), (12, 5401470), (15, 4321176), (18, 3600980), (20, 3240882), (24, 2700735), (30, 2160588), (36, 1800490), (40, 1620441), (45, 1440392), (60, 1080294), (72, 900245), (90, 720196), (120, 540147), (180, 360098), (360, 180049), (401, 161640), (449, 144360), (802, 80820), (898, 72180), (1203, 53880), (1347, 48120), (1604, 40410), (1796, 36090), (2005, 32328), (2245, 28872), (2406, 26940), (2694, 24060), (3208, 20205), (3592, 18045), (3609, 17960), (4010, 16164), (4041, 16040), (4490, 14436), (4812, 13470), (5388, 12030), (6015, 10776), (6735, 9624), (7218, 8980), (8020, 8082)]