68686380

素因数分解:

$2^2\times 3^6\times 5^1\times 7^1\times {\mathrm{673}}^1$

素因数の和:707

約数の個数: 168

約数和(自身を含む): 247525152

約数和(自身を除く): 178838772

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 673, 729, 756, 810, 945, 972, 1134, 1215, 1260, 1346, 1458, 1620, 1701, 1890, 2019, 2268, 2430, 2692, 2835, 2916, 3365, 3402, 3645, 3780, 4038, 4711, 4860, 5103, 5670, 6057, 6730, 6804, 7290, 8076, 8505, 9422, 10095, 10206, 11340, 12114, 13460, 14133, 14580, 17010, 18171, 18844, 20190, 20412, 23555, 24228, 25515, 28266, 30285, 34020, 36342, 40380, 42399, 47110, 51030, 54513, 56532, 60570, 70665, 72684, 84798, 90855, 94220, 102060, 109026, 121140, 127197, 141330, 163539, 169596, 181710, 211995, 218052, 254394, 272565, 282660, 327078, 363420, 381591, 423990, 490617, 508788, 545130, 635985, 654156, 763182, 817695, 847980, 981234, 1090260, 1144773, 1271970, 1526364, 1635390, 1907955, 1962468, 2289546, 2453085, 2543940, 3270780, 3434319, 3815910, 4579092, 4906170, 5723865, 6868638, 7631820, 9812340, 11447730, 13737276, 17171595, 22895460, 34343190, 68686380]

約数ペア:

[(1, 68686380), (2, 34343190), (3, 22895460), (4, 17171595), (5, 13737276), (6, 11447730), (7, 9812340), (9, 7631820), (10, 6868638), (12, 5723865), (14, 4906170), (15, 4579092), (18, 3815910), (20, 3434319), (21, 3270780), (27, 2543940), (28, 2453085), (30, 2289546), (35, 1962468), (36, 1907955), (42, 1635390), (45, 1526364), (54, 1271970), (60, 1144773), (63, 1090260), (70, 981234), (81, 847980), (84, 817695), (90, 763182), (105, 654156), (108, 635985), (126, 545130), (135, 508788), (140, 490617), (162, 423990), (180, 381591), (189, 363420), (210, 327078), (243, 282660), (252, 272565), (270, 254394), (315, 218052), (324, 211995), (378, 181710), (405, 169596), (420, 163539), (486, 141330), (540, 127197), (567, 121140), (630, 109026), (673, 102060), (729, 94220), (756, 90855), (810, 84798), (945, 72684), (972, 70665), (1134, 60570), (1215, 56532), (1260, 54513), (1346, 51030), (1458, 47110), (1620, 42399), (1701, 40380), (1890, 36342), (2019, 34020), (2268, 30285), (2430, 28266), (2692, 25515), (2835, 24228), (2916, 23555), (3365, 20412), (3402, 20190), (3645, 18844), (3780, 18171), (4038, 17010), (4711, 14580), (4860, 14133), (5103, 13460), (5670, 12114), (6057, 11340), (6730, 10206), (6804, 10095), (7290, 9422), (8076, 8505)]