398409120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{276673}}^1$

素因数の和:276694

約数の個数: 72

約数和(自身を含む): 1359576036

約数和(自身を除く): 961166916

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 276673, 553346, 830019, 1106692, 1383365, 1660038, 2213384, 2490057, 2766730, 3320076, 4150095, 4426768, 4980114, 5533460, 6640152, 8300190, 8853536, 9960228, 11066920, 12450285, 13280304, 16600380, 19920456, 22133840, 24900570, 26560608, 33200760, 39840912, 44267680, 49801140, 66401520, 79681824, 99602280, 132803040, 199204560, 398409120]

約数ペア:

[(1, 398409120), (2, 199204560), (3, 132803040), (4, 99602280), (5, 79681824), (6, 66401520), (8, 49801140), (9, 44267680), (10, 39840912), (12, 33200760), (15, 26560608), (16, 24900570), (18, 22133840), (20, 19920456), (24, 16600380), (30, 13280304), (32, 12450285), (36, 11066920), (40, 9960228), (45, 8853536), (48, 8300190), (60, 6640152), (72, 5533460), (80, 4980114), (90, 4426768), (96, 4150095), (120, 3320076), (144, 2766730), (160, 2490057), (180, 2213384), (240, 1660038), (288, 1383365), (360, 1106692), (480, 830019), (720, 553346), (1440, 276673)]