720106380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{13291}}^1$

素因数の和:13356

約数の個数: 144

約数和(自身を含む): 2554616064

約数和(自身を除く): 1834509684

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, 5418, 6020, 7740, 9030, 10836, 13291, 13545, 18060, 26582, 27090, 39873, 53164, 54180, 66455, 79746, 93037, 119619, 132910, 159492, 186074, 199365, 239238, 265820, 279111, 372148, 398730, 465185, 478476, 558222, 571513, 598095, 797460, 837333, 930370, 1116444, 1143026, 1196190, 1395555, 1674666, 1714539, 1860740, 2286052, 2392380, 2791110, 2857565, 3349332, 3429078, 4000591, 4186665, 5143617, 5582220, 5715130, 6858156, 8001182, 8373330, 8572695, 10287234, 11430260, 12001773, 16002364, 16746660, 17145390, 20002955, 20574468, 24003546, 25718085, 34290780, 36005319, 40005910, 48007092, 51436170, 60008865, 72010638, 80011820, 102872340, 120017730, 144021276, 180026595, 240035460, 360053190, 720106380]

約数ペア:

[(1, 720106380), (2, 360053190), (3, 240035460), (4, 180026595), (5, 144021276), (6, 120017730), (7, 102872340), (9, 80011820), (10, 72010638), (12, 60008865), (14, 51436170), (15, 48007092), (18, 40005910), (20, 36005319), (21, 34290780), (28, 25718085), (30, 24003546), (35, 20574468), (36, 20002955), (42, 17145390), (43, 16746660), (45, 16002364), (60, 12001773), (63, 11430260), (70, 10287234), (84, 8572695), (86, 8373330), (90, 8001182), (105, 6858156), (126, 5715130), (129, 5582220), (140, 5143617), (172, 4186665), (180, 4000591), (210, 3429078), (215, 3349332), (252, 2857565), (258, 2791110), (301, 2392380), (315, 2286052), (387, 1860740), (420, 1714539), (430, 1674666), (516, 1395555), (602, 1196190), (630, 1143026), (645, 1116444), (774, 930370), (860, 837333), (903, 797460), (1204, 598095), (1260, 571513), (1290, 558222), (1505, 478476), (1548, 465185), (1806, 398730), (1935, 372148), (2580, 279111), (2709, 265820), (3010, 239238), (3612, 199365), (3870, 186074), (4515, 159492), (5418, 132910), (6020, 119619), (7740, 93037), (9030, 79746), (10836, 66455), (13291, 54180), (13545, 53164), (18060, 39873), (26582, 27090)]