28305471780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1901}}^1\times {\mathrm{82721}}^1$

素因数の和:84637

約数の個数: 72

約数和(自身を含む): 85906135224

約数和(自身を除く): 57600663444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1901, 3802, 5703, 7604, 9505, 11406, 17109, 19010, 22812, 28515, 34218, 38020, 57030, 68436, 82721, 85545, 114060, 165442, 171090, 248163, 330884, 342180, 413605, 496326, 744489, 827210, 992652, 1240815, 1488978, 1654420, 2481630, 2977956, 3722445, 4963260, 7444890, 14889780, 157252621, 314505242, 471757863, 629010484, 786263105, 943515726, 1415273589, 1572526210, 1887031452, 2358789315, 2830547178, 3145052420, 4717578630, 5661094356, 7076367945, 9435157260, 14152735890, 28305471780]

約数ペア:

[(1, 28305471780), (2, 14152735890), (3, 9435157260), (4, 7076367945), (5, 5661094356), (6, 4717578630), (9, 3145052420), (10, 2830547178), (12, 2358789315), (15, 1887031452), (18, 1572526210), (20, 1415273589), (30, 943515726), (36, 786263105), (45, 629010484), (60, 471757863), (90, 314505242), (180, 157252621), (1901, 14889780), (3802, 7444890), (5703, 4963260), (7604, 3722445), (9505, 2977956), (11406, 2481630), (17109, 1654420), (19010, 1488978), (22812, 1240815), (28515, 992652), (34218, 827210), (38020, 744489), (57030, 496326), (68436, 413605), (82721, 342180), (85545, 330884), (114060, 248163), (165442, 171090)]