15704375540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{80527}}^1$

素因数の和:80749

約数の個数: 72

約数和(自身を含む): 38556806400

約数和(自身を除く): 22852430860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 199, 245, 398, 490, 796, 980, 995, 1393, 1990, 2786, 3980, 5572, 6965, 9751, 13930, 19502, 27860, 39004, 48755, 80527, 97510, 161054, 195020, 322108, 402635, 563689, 805270, 1127378, 1610540, 2254756, 2818445, 3945823, 5636890, 7891646, 11273780, 15783292, 16024873, 19729115, 32049746, 39458230, 64099492, 78916460, 80124365, 112174111, 160248730, 224348222, 320497460, 448696444, 560870555, 785218777, 1121741110, 1570437554, 2243482220, 3140875108, 3926093885, 7852187770, 15704375540]

約数ペア:

[(1, 15704375540), (2, 7852187770), (4, 3926093885), (5, 3140875108), (7, 2243482220), (10, 1570437554), (14, 1121741110), (20, 785218777), (28, 560870555), (35, 448696444), (49, 320497460), (70, 224348222), (98, 160248730), (140, 112174111), (196, 80124365), (199, 78916460), (245, 64099492), (398, 39458230), (490, 32049746), (796, 19729115), (980, 16024873), (995, 15783292), (1393, 11273780), (1990, 7891646), (2786, 5636890), (3980, 3945823), (5572, 2818445), (6965, 2254756), (9751, 1610540), (13930, 1127378), (19502, 805270), (27860, 563689), (39004, 402635), (48755, 322108), (80527, 195020), (97510, 161054)]