263910780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4871}}^1$

素因数の和:4936

約数の個数: 144

約数和(自身を含む): 936359424

約数和(自身を除く): 672448644

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 315, 387, 420, 430, 516, 602, 630, 645, 774, 860, 903, 1204, 1260, 1290, 1505, 1548, 1806, 1935, 2580, 2709, 3010, 3612, 3870, 4515, 4871, 5418, 6020, 7740, 9030, 9742, 10836, 13545, 14613, 18060, 19484, 24355, 27090, 29226, 34097, 43839, 48710, 54180, 58452, 68194, 73065, 87678, 97420, 102291, 136388, 146130, 170485, 175356, 204582, 209453, 219195, 292260, 306873, 340970, 409164, 418906, 438390, 511455, 613746, 628359, 681940, 837812, 876780, 1022910, 1047265, 1227492, 1256718, 1466171, 1534365, 1885077, 2045820, 2094530, 2513436, 2932342, 3068730, 3141795, 3770154, 4189060, 4398513, 5864684, 6137460, 6283590, 7330855, 7540308, 8797026, 9425385, 12567180, 13195539, 14661710, 17594052, 18850770, 21992565, 26391078, 29323420, 37701540, 43985130, 52782156, 65977695, 87970260, 131955390, 263910780]

約数ペア:

[(1, 263910780), (2, 131955390), (3, 87970260), (4, 65977695), (5, 52782156), (6, 43985130), (7, 37701540), (9, 29323420), (10, 26391078), (12, 21992565), (14, 18850770), (15, 17594052), (18, 14661710), (20, 13195539), (21, 12567180), (28, 9425385), (30, 8797026), (35, 7540308), (36, 7330855), (42, 6283590), (43, 6137460), (45, 5864684), (60, 4398513), (63, 4189060), (70, 3770154), (84, 3141795), (86, 3068730), (90, 2932342), (105, 2513436), (126, 2094530), (129, 2045820), (140, 1885077), (172, 1534365), (180, 1466171), (210, 1256718), (215, 1227492), (252, 1047265), (258, 1022910), (301, 876780), (315, 837812), (387, 681940), (420, 628359), (430, 613746), (516, 511455), (602, 438390), (630, 418906), (645, 409164), (774, 340970), (860, 306873), (903, 292260), (1204, 219195), (1260, 209453), (1290, 204582), (1505, 175356), (1548, 170485), (1806, 146130), (1935, 136388), (2580, 102291), (2709, 97420), (3010, 87678), (3612, 73065), (3870, 68194), (4515, 58452), (4871, 54180), (5418, 48710), (6020, 43839), (7740, 34097), (9030, 29226), (9742, 27090), (10836, 24355), (13545, 19484), (14613, 18060)]