15939480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6991}}^1$

素因数の和:7024

約数の個数: 64

約数和(自身を含む): 50342400

約数和(自身を除く): 34402920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 6991, 13982, 20973, 27964, 34955, 41946, 55928, 69910, 83892, 104865, 132829, 139820, 167784, 209730, 265658, 279640, 398487, 419460, 531316, 664145, 796974, 838920, 1062632, 1328290, 1593948, 1992435, 2656580, 3187896, 3984870, 5313160, 7969740, 15939480]

約数ペア:

[(1, 15939480), (2, 7969740), (3, 5313160), (4, 3984870), (5, 3187896), (6, 2656580), (8, 1992435), (10, 1593948), (12, 1328290), (15, 1062632), (19, 838920), (20, 796974), (24, 664145), (30, 531316), (38, 419460), (40, 398487), (57, 279640), (60, 265658), (76, 209730), (95, 167784), (114, 139820), (120, 132829), (152, 104865), (190, 83892), (228, 69910), (285, 55928), (380, 41946), (456, 34955), (570, 27964), (760, 20973), (1140, 13982), (2280, 6991)]