428091720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{509633}}^1$

素因数の和:509654

約数の個数: 64

約数和(自身を含む): 1467745920

約数和(自身を除く): 1039654200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 509633, 1019266, 1528899, 2038532, 2548165, 3057798, 3567431, 4077064, 5096330, 6115596, 7134862, 7644495, 10192660, 10702293, 12231192, 14269724, 15288990, 17837155, 20385320, 21404586, 28539448, 30577980, 35674310, 42809172, 53511465, 61155960, 71348620, 85618344, 107022930, 142697240, 214045860, 428091720]

約数ペア:

[(1, 428091720), (2, 214045860), (3, 142697240), (4, 107022930), (5, 85618344), (6, 71348620), (7, 61155960), (8, 53511465), (10, 42809172), (12, 35674310), (14, 30577980), (15, 28539448), (20, 21404586), (21, 20385320), (24, 17837155), (28, 15288990), (30, 14269724), (35, 12231192), (40, 10702293), (42, 10192660), (56, 7644495), (60, 7134862), (70, 6115596), (84, 5096330), (105, 4077064), (120, 3567431), (140, 3057798), (168, 2548165), (210, 2038532), (280, 1528899), (420, 1019266), (840, 509633)]