74281480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20407}}^1$

素因数の和:20438

約数の個数: 64

約数和(自身を含む): 205712640

約数和(自身を除く): 131431160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 20407, 40814, 81628, 102035, 142849, 163256, 204070, 265291, 285698, 408140, 530582, 571396, 714245, 816280, 1061164, 1142792, 1326455, 1428490, 1857037, 2122328, 2652910, 2856980, 3714074, 5305820, 5713960, 7428148, 9285185, 10611640, 14856296, 18570370, 37140740, 74281480]

約数ペア:

[(1, 74281480), (2, 37140740), (4, 18570370), (5, 14856296), (7, 10611640), (8, 9285185), (10, 7428148), (13, 5713960), (14, 5305820), (20, 3714074), (26, 2856980), (28, 2652910), (35, 2122328), (40, 1857037), (52, 1428490), (56, 1326455), (65, 1142792), (70, 1061164), (91, 816280), (104, 714245), (130, 571396), (140, 530582), (182, 408140), (260, 285698), (280, 265291), (364, 204070), (455, 163256), (520, 142849), (728, 102035), (910, 81628), (1820, 40814), (3640, 20407)]