1277908660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1\times {\mathrm{563}}^1$

素因数の和:1133

約数の個数: 96

約数和(自身を含む): 3177603072

約数和(自身を除く): 1899694412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 523, 563, 620, 868, 1046, 1085, 1126, 2092, 2170, 2252, 2615, 2815, 3661, 3941, 4340, 5230, 5630, 7322, 7882, 10460, 11260, 14644, 15764, 16213, 17453, 18305, 19705, 32426, 34906, 36610, 39410, 64852, 69812, 73220, 78820, 81065, 87265, 113491, 122171, 162130, 174530, 226982, 244342, 294449, 324260, 349060, 453964, 488684, 567455, 588898, 610855, 1134910, 1177796, 1221710, 1472245, 2061143, 2269820, 2443420, 2944490, 4122286, 5888980, 8244572, 9127919, 10305715, 18255838, 20611430, 36511676, 41222860, 45639595, 63895433, 91279190, 127790866, 182558380, 255581732, 319477165, 638954330, 1277908660]

約数ペア:

[(1, 1277908660), (2, 638954330), (4, 319477165), (5, 255581732), (7, 182558380), (10, 127790866), (14, 91279190), (20, 63895433), (28, 45639595), (31, 41222860), (35, 36511676), (62, 20611430), (70, 18255838), (124, 10305715), (140, 9127919), (155, 8244572), (217, 5888980), (310, 4122286), (434, 2944490), (523, 2443420), (563, 2269820), (620, 2061143), (868, 1472245), (1046, 1221710), (1085, 1177796), (1126, 1134910), (2092, 610855), (2170, 588898), (2252, 567455), (2615, 488684), (2815, 453964), (3661, 349060), (3941, 324260), (4340, 294449), (5230, 244342), (5630, 226982), (7322, 174530), (7882, 162130), (10460, 122171), (11260, 113491), (14644, 87265), (15764, 81065), (16213, 78820), (17453, 73220), (18305, 69812), (19705, 64852), (32426, 39410), (34906, 36610)]