1243943960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1\times {\mathrm{461}}^1$

素因数の和:921

約数の個数: 128

約数和(自身を含む): 3353011200

約数和(自身を除く): 2109067240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 419, 460, 461, 644, 805, 838, 920, 922, 1288, 1610, 1676, 1844, 2095, 2305, 2933, 3220, 3227, 3352, 3688, 4190, 4610, 5866, 6440, 6454, 8380, 9220, 9637, 10603, 11732, 12908, 14665, 16135, 16760, 18440, 19274, 21206, 23464, 25816, 29330, 32270, 38548, 42412, 48185, 53015, 58660, 64540, 67459, 74221, 77096, 84824, 96370, 106030, 117320, 129080, 134918, 148442, 192740, 193159, 212060, 269836, 296884, 337295, 371105, 385480, 386318, 424120, 539672, 593768, 674590, 742210, 772636, 965795, 1349180, 1352113, 1484420, 1545272, 1931590, 2698360, 2704226, 2968840, 3863180, 4442657, 5408452, 6760565, 7726360, 8885314, 10816904, 13521130, 17770628, 22213285, 27042260, 31098599, 35541256, 44426570, 54084520, 62197198, 88853140, 124394396, 155492995, 177706280, 248788792, 310985990, 621971980, 1243943960]

約数ペア:

[(1, 1243943960), (2, 621971980), (4, 310985990), (5, 248788792), (7, 177706280), (8, 155492995), (10, 124394396), (14, 88853140), (20, 62197198), (23, 54084520), (28, 44426570), (35, 35541256), (40, 31098599), (46, 27042260), (56, 22213285), (70, 17770628), (92, 13521130), (115, 10816904), (140, 8885314), (161, 7726360), (184, 6760565), (230, 5408452), (280, 4442657), (322, 3863180), (419, 2968840), (460, 2704226), (461, 2698360), (644, 1931590), (805, 1545272), (838, 1484420), (920, 1352113), (922, 1349180), (1288, 965795), (1610, 772636), (1676, 742210), (1844, 674590), (2095, 593768), (2305, 539672), (2933, 424120), (3220, 386318), (3227, 385480), (3352, 371105), (3688, 337295), (4190, 296884), (4610, 269836), (5866, 212060), (6440, 193159), (6454, 192740), (8380, 148442), (9220, 134918), (9637, 129080), (10603, 117320), (11732, 106030), (12908, 96370), (14665, 84824), (16135, 77096), (16760, 74221), (18440, 67459), (19274, 64540), (21206, 58660), (23464, 53015), (25816, 48185), (29330, 42412), (32270, 38548)]