66986640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13291}}^1$

素因数の和:13317

約数の個数: 120

約数和(自身を含む): 257120448

約数和(自身を除く): 190133808

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 13291, 26582, 39873, 53164, 66455, 79746, 93037, 106328, 119619, 132910, 159492, 186074, 199365, 212656, 239238, 265820, 279111, 318984, 372148, 398730, 465185, 478476, 531640, 558222, 598095, 637968, 744296, 797460, 837333, 930370, 956952, 1063280, 1116444, 1196190, 1395555, 1488592, 1594920, 1674666, 1860740, 1913904, 2232888, 2392380, 2791110, 3189840, 3349332, 3721480, 4186665, 4465776, 4784760, 5582220, 6698664, 7442960, 8373330, 9569520, 11164440, 13397328, 16746660, 22328880, 33493320, 66986640]

約数ペア:

[(1, 66986640), (2, 33493320), (3, 22328880), (4, 16746660), (5, 13397328), (6, 11164440), (7, 9569520), (8, 8373330), (9, 7442960), (10, 6698664), (12, 5582220), (14, 4784760), (15, 4465776), (16, 4186665), (18, 3721480), (20, 3349332), (21, 3189840), (24, 2791110), (28, 2392380), (30, 2232888), (35, 1913904), (36, 1860740), (40, 1674666), (42, 1594920), (45, 1488592), (48, 1395555), (56, 1196190), (60, 1116444), (63, 1063280), (70, 956952), (72, 930370), (80, 837333), (84, 797460), (90, 744296), (105, 637968), (112, 598095), (120, 558222), (126, 531640), (140, 478476), (144, 465185), (168, 398730), (180, 372148), (210, 318984), (240, 279111), (252, 265820), (280, 239238), (315, 212656), (336, 199365), (360, 186074), (420, 159492), (504, 132910), (560, 119619), (630, 106328), (720, 93037), (840, 79746), (1008, 66455), (1260, 53164), (1680, 39873), (2520, 26582), (5040, 13291)]