781370460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2549}}^1$

素因数の和:2708

約数の個数: 144

約数和(自身を含む): 2572970400

約数和(自身を除く): 1791599940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 131, 156, 180, 195, 234, 260, 262, 390, 393, 468, 524, 585, 655, 780, 786, 1170, 1179, 1310, 1572, 1703, 1965, 2340, 2358, 2549, 2620, 3406, 3930, 4716, 5098, 5109, 5895, 6812, 7647, 7860, 8515, 10196, 10218, 11790, 12745, 15294, 15327, 17030, 20436, 22941, 23580, 25490, 25545, 30588, 30654, 33137, 34060, 38235, 45882, 50980, 51090, 61308, 66274, 76470, 76635, 91764, 99411, 102180, 114705, 132548, 152940, 153270, 165685, 198822, 229410, 298233, 306540, 331370, 333919, 397644, 458820, 497055, 596466, 662740, 667838, 994110, 1001757, 1192932, 1335676, 1491165, 1669595, 1988220, 2003514, 2982330, 3005271, 3339190, 4007028, 4340947, 5008785, 5964660, 6010542, 6678380, 8681894, 10017570, 12021084, 13022841, 15026355, 17363788, 20035140, 21704735, 26045682, 30052710, 39068523, 43409470, 52091364, 60105420, 65114205, 78137046, 86818940, 130228410, 156274092, 195342615, 260456820, 390685230, 781370460]

約数ペア:

[(1, 781370460), (2, 390685230), (3, 260456820), (4, 195342615), (5, 156274092), (6, 130228410), (9, 86818940), (10, 78137046), (12, 65114205), (13, 60105420), (15, 52091364), (18, 43409470), (20, 39068523), (26, 30052710), (30, 26045682), (36, 21704735), (39, 20035140), (45, 17363788), (52, 15026355), (60, 13022841), (65, 12021084), (78, 10017570), (90, 8681894), (117, 6678380), (130, 6010542), (131, 5964660), (156, 5008785), (180, 4340947), (195, 4007028), (234, 3339190), (260, 3005271), (262, 2982330), (390, 2003514), (393, 1988220), (468, 1669595), (524, 1491165), (585, 1335676), (655, 1192932), (780, 1001757), (786, 994110), (1170, 667838), (1179, 662740), (1310, 596466), (1572, 497055), (1703, 458820), (1965, 397644), (2340, 333919), (2358, 331370), (2549, 306540), (2620, 298233), (3406, 229410), (3930, 198822), (4716, 165685), (5098, 153270), (5109, 152940), (5895, 132548), (6812, 114705), (7647, 102180), (7860, 99411), (8515, 91764), (10196, 76635), (10218, 76470), (11790, 66274), (12745, 61308), (15294, 51090), (15327, 50980), (17030, 45882), (20436, 38235), (22941, 34060), (23580, 33137), (25490, 30654), (25545, 30588)]