204578640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{40591}}^1$

素因数の和:40617

約数の個数: 120

約数和(自身を含む): 785211648

約数和(自身を除く): 580633008

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 40591, 81182, 121773, 162364, 202955, 243546, 284137, 324728, 365319, 405910, 487092, 568274, 608865, 649456, 730638, 811820, 852411, 974184, 1136548, 1217730, 1420685, 1461276, 1623640, 1704822, 1826595, 1948368, 2273096, 2435460, 2557233, 2841370, 2922552, 3247280, 3409644, 3653190, 4262055, 4546192, 4870920, 5114466, 5682740, 5845104, 6819288, 7306380, 8524110, 9741840, 10228932, 11365480, 12786165, 13638576, 14612760, 17048220, 20457864, 22730960, 25572330, 29225520, 34096440, 40915728, 51144660, 68192880, 102289320, 204578640]

約数ペア:

[(1, 204578640), (2, 102289320), (3, 68192880), (4, 51144660), (5, 40915728), (6, 34096440), (7, 29225520), (8, 25572330), (9, 22730960), (10, 20457864), (12, 17048220), (14, 14612760), (15, 13638576), (16, 12786165), (18, 11365480), (20, 10228932), (21, 9741840), (24, 8524110), (28, 7306380), (30, 6819288), (35, 5845104), (36, 5682740), (40, 5114466), (42, 4870920), (45, 4546192), (48, 4262055), (56, 3653190), (60, 3409644), (63, 3247280), (70, 2922552), (72, 2841370), (80, 2557233), (84, 2435460), (90, 2273096), (105, 1948368), (112, 1826595), (120, 1704822), (126, 1623640), (140, 1461276), (144, 1420685), (168, 1217730), (180, 1136548), (210, 974184), (240, 852411), (252, 811820), (280, 730638), (315, 649456), (336, 608865), (360, 568274), (420, 487092), (504, 405910), (560, 365319), (630, 324728), (720, 284137), (840, 243546), (1008, 202955), (1260, 162364), (1680, 121773), (2520, 81182), (5040, 40591)]