140690340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{111659}}^1$

素因数の和:111681

約数の個数: 72

約数和(自身を含む): 487730880

約数和(自身を除く): 347040540

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, 111659, 223318, 334977, 446636, 558295, 669954, 781613, 1004931, 1116590, 1339908, 1563226, 1674885, 2009862, 2233180, 2344839, 3126452, 3349770, 3908065, 4019724, 4689678, 5024655, 6699540, 7034517, 7816130, 9379356, 10049310, 11724195, 14069034, 15632260, 20098620, 23448390, 28138068, 35172585, 46896780, 70345170, 140690340]

約数ペア:

[(1, 140690340), (2, 70345170), (3, 46896780), (4, 35172585), (5, 28138068), (6, 23448390), (7, 20098620), (9, 15632260), (10, 14069034), (12, 11724195), (14, 10049310), (15, 9379356), (18, 7816130), (20, 7034517), (21, 6699540), (28, 5024655), (30, 4689678), (35, 4019724), (36, 3908065), (42, 3349770), (45, 3126452), (60, 2344839), (63, 2233180), (70, 2009862), (84, 1674885), (90, 1563226), (105, 1339908), (126, 1116590), (140, 1004931), (180, 781613), (210, 669954), (252, 558295), (315, 446636), (420, 334977), (630, 223318), (1260, 111659)]