67571980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{191}}^1$

素因数の和:252

約数の個数: 108

約数和(自身を含む): 175125888

約数和(自身を除く): 107553908

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 191, 196, 245, 266, 361, 380, 382, 490, 532, 665, 722, 764, 931, 955, 980, 1330, 1337, 1444, 1805, 1862, 1910, 2527, 2660, 2674, 3610, 3629, 3724, 3820, 4655, 5054, 5348, 6685, 7220, 7258, 9310, 9359, 10108, 12635, 13370, 14516, 17689, 18145, 18620, 18718, 25270, 25403, 26740, 35378, 36290, 37436, 46795, 50540, 50806, 68951, 70756, 72580, 88445, 93590, 101612, 127015, 137902, 176890, 177821, 187180, 254030, 275804, 344755, 353780, 355642, 482657, 508060, 689510, 711284, 889105, 965314, 1379020, 1778210, 1930628, 2413285, 3378599, 3556420, 4826570, 6757198, 9653140, 13514396, 16892995, 33785990, 67571980]

約数ペア:

[(1, 67571980), (2, 33785990), (4, 16892995), (5, 13514396), (7, 9653140), (10, 6757198), (14, 4826570), (19, 3556420), (20, 3378599), (28, 2413285), (35, 1930628), (38, 1778210), (49, 1379020), (70, 965314), (76, 889105), (95, 711284), (98, 689510), (133, 508060), (140, 482657), (190, 355642), (191, 353780), (196, 344755), (245, 275804), (266, 254030), (361, 187180), (380, 177821), (382, 176890), (490, 137902), (532, 127015), (665, 101612), (722, 93590), (764, 88445), (931, 72580), (955, 70756), (980, 68951), (1330, 50806), (1337, 50540), (1444, 46795), (1805, 37436), (1862, 36290), (1910, 35378), (2527, 26740), (2660, 25403), (2674, 25270), (3610, 18718), (3629, 18620), (3724, 18145), (3820, 17689), (4655, 14516), (5054, 13370), (5348, 12635), (6685, 10108), (7220, 9359), (7258, 9310)]