39798780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13537}}^1$

素因数の和:13563

約数の個数: 72

約数和(自身を含む): 129639888

約数和(自身を除く): 89841108

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 13537, 27074, 40611, 54148, 67685, 81222, 94759, 135370, 162444, 189518, 203055, 270740, 284277, 379036, 406110, 473795, 568554, 663313, 812220, 947590, 1137108, 1326626, 1421385, 1895180, 1989939, 2653252, 2842770, 3316565, 3979878, 5685540, 6633130, 7959756, 9949695, 13266260, 19899390, 39798780]

約数ペア:

[(1, 39798780), (2, 19899390), (3, 13266260), (4, 9949695), (5, 7959756), (6, 6633130), (7, 5685540), (10, 3979878), (12, 3316565), (14, 2842770), (15, 2653252), (20, 1989939), (21, 1895180), (28, 1421385), (30, 1326626), (35, 1137108), (42, 947590), (49, 812220), (60, 663313), (70, 568554), (84, 473795), (98, 406110), (105, 379036), (140, 284277), (147, 270740), (196, 203055), (210, 189518), (245, 162444), (294, 135370), (420, 94759), (490, 81222), (588, 67685), (735, 54148), (980, 40611), (1470, 27074), (2940, 13537)]