140539140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{111539}}^1$

素因数の和:111561

約数の個数: 72

約数和(自身を含む): 487206720

約数和(自身を除く): 346667580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 111539, 223078, 334617, 446156, 557695, 669234, 780773, 1003851, 1115390, 1338468, 1561546, 1673085, 2007702, 2230780, 2342319, 3123092, 3346170, 3903865, 4015404, 4684638, 5019255, 6692340, 7026957, 7807730, 9369276, 10038510, 11711595, 14053914, 15615460, 20077020, 23423190, 28107828, 35134785, 46846380, 70269570, 140539140]

約数ペア:

[(1, 140539140), (2, 70269570), (3, 46846380), (4, 35134785), (5, 28107828), (6, 23423190), (7, 20077020), (9, 15615460), (10, 14053914), (12, 11711595), (14, 10038510), (15, 9369276), (18, 7807730), (20, 7026957), (21, 6692340), (28, 5019255), (30, 4684638), (35, 4015404), (36, 3903865), (42, 3346170), (45, 3123092), (60, 2342319), (63, 2230780), (70, 2007702), (84, 1673085), (90, 1561546), (105, 1338468), (126, 1115390), (140, 1003851), (180, 780773), (210, 669234), (252, 557695), (315, 446156), (420, 334617), (630, 223078), (1260, 111539)]