66888960

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17419}}^1$

素因数の和:17443

約数の個数: 72

約数和(自身を含む): 213638880

約数和(自身を除く): 146749920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 17419, 34838, 52257, 69676, 87095, 104514, 139352, 174190, 209028, 261285, 278704, 348380, 418056, 522570, 557408, 696760, 836112, 1045140, 1114816, 1393520, 1672224, 2090280, 2229632, 2787040, 3344448, 4180560, 4459264, 5574080, 6688896, 8361120, 11148160, 13377792, 16722240, 22296320, 33444480, 66888960]

約数ペア:

[(1, 66888960), (2, 33444480), (3, 22296320), (4, 16722240), (5, 13377792), (6, 11148160), (8, 8361120), (10, 6688896), (12, 5574080), (15, 4459264), (16, 4180560), (20, 3344448), (24, 2787040), (30, 2229632), (32, 2090280), (40, 1672224), (48, 1393520), (60, 1114816), (64, 1045140), (80, 836112), (96, 696760), (120, 557408), (128, 522570), (160, 418056), (192, 348380), (240, 278704), (256, 261285), (320, 209028), (384, 174190), (480, 139352), (640, 104514), (768, 87095), (960, 69676), (1280, 52257), (1920, 34838), (3840, 17419)]