28805040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3637}}^1$

素因数の和:3667

約数の個数: 120

約数和(自身を含む): 105560208

約数和(自身を除く): 76755168

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3637, 3960, 7274, 7920, 10911, 14548, 18185, 21822, 29096, 32733, 36370, 40007, 43644, 54555, 58192, 65466, 72740, 80014, 87288, 109110, 120021, 130932, 145480, 160028, 163665, 174576, 200035, 218220, 240042, 261864, 290960, 320056, 327330, 360063, 400070, 436440, 480084, 523728, 600105, 640112, 654660, 720126, 800140, 872880, 960168, 1200210, 1309320, 1440252, 1600280, 1800315, 1920336, 2400420, 2618640, 2880504, 3200560, 3600630, 4800840, 5761008, 7201260, 9601680, 14402520, 28805040]

約数ペア:

[(1, 28805040), (2, 14402520), (3, 9601680), (4, 7201260), (5, 5761008), (6, 4800840), (8, 3600630), (9, 3200560), (10, 2880504), (11, 2618640), (12, 2400420), (15, 1920336), (16, 1800315), (18, 1600280), (20, 1440252), (22, 1309320), (24, 1200210), (30, 960168), (33, 872880), (36, 800140), (40, 720126), (44, 654660), (45, 640112), (48, 600105), (55, 523728), (60, 480084), (66, 436440), (72, 400070), (80, 360063), (88, 327330), (90, 320056), (99, 290960), (110, 261864), (120, 240042), (132, 218220), (144, 200035), (165, 174576), (176, 163665), (180, 160028), (198, 145480), (220, 130932), (240, 120021), (264, 109110), (330, 87288), (360, 80014), (396, 72740), (440, 65466), (495, 58192), (528, 54555), (660, 43644), (720, 40007), (792, 36370), (880, 32733), (990, 29096), (1320, 21822), (1584, 18185), (1980, 14548), (2640, 10911), (3637, 7920), (3960, 7274)]