30871960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{829}}^1$

素因数の和:873

約数の個数: 96

約数和(自身を含む): 85158000

約数和(自身を除く): 54286040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 95, 98, 133, 140, 152, 190, 196, 245, 266, 280, 380, 392, 490, 532, 665, 760, 829, 931, 980, 1064, 1330, 1658, 1862, 1960, 2660, 3316, 3724, 4145, 4655, 5320, 5803, 6632, 7448, 8290, 9310, 11606, 15751, 16580, 18620, 23212, 29015, 31502, 33160, 37240, 40621, 46424, 58030, 63004, 78755, 81242, 110257, 116060, 126008, 157510, 162484, 203105, 220514, 232120, 315020, 324968, 406210, 441028, 551285, 630040, 771799, 812420, 882056, 1102570, 1543598, 1624840, 2205140, 3087196, 3858995, 4410280, 6174392, 7717990, 15435980, 30871960]

約数ペア:

[(1, 30871960), (2, 15435980), (4, 7717990), (5, 6174392), (7, 4410280), (8, 3858995), (10, 3087196), (14, 2205140), (19, 1624840), (20, 1543598), (28, 1102570), (35, 882056), (38, 812420), (40, 771799), (49, 630040), (56, 551285), (70, 441028), (76, 406210), (95, 324968), (98, 315020), (133, 232120), (140, 220514), (152, 203105), (190, 162484), (196, 157510), (245, 126008), (266, 116060), (280, 110257), (380, 81242), (392, 78755), (490, 63004), (532, 58030), (665, 46424), (760, 40621), (829, 37240), (931, 33160), (980, 31502), (1064, 29015), (1330, 23212), (1658, 18620), (1862, 16580), (1960, 15751), (2660, 11606), (3316, 9310), (3724, 8290), (4145, 7448), (4655, 6632), (5320, 5803)]