289277520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{421}}^1$

素因数の和:853

約数の個数: 160

約数和(自身を含む): 1029815040

約数和(自身を除く): 740537520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 409, 420, 421, 560, 818, 840, 842, 1227, 1263, 1636, 1680, 1684, 2045, 2105, 2454, 2526, 2863, 2947, 3272, 3368, 4090, 4210, 4908, 5052, 5726, 5894, 6135, 6315, 6544, 6736, 8180, 8420, 8589, 8841, 9816, 10104, 11452, 11788, 12270, 12630, 14315, 14735, 16360, 16840, 17178, 17682, 19632, 20208, 22904, 23576, 24540, 25260, 28630, 29470, 32720, 33680, 34356, 35364, 42945, 44205, 45808, 47152, 49080, 50520, 57260, 58940, 68712, 70728, 85890, 88410, 98160, 101040, 114520, 117880, 137424, 141456, 171780, 172189, 176820, 229040, 235760, 343560, 344378, 353640, 516567, 687120, 688756, 707280, 860945, 1033134, 1205323, 1377512, 1721890, 2066268, 2410646, 2582835, 2755024, 3443780, 3615969, 4132536, 4821292, 5165670, 6026615, 6887560, 7231938, 8265072, 9642584, 10331340, 12053230, 13775120, 14463876, 18079845, 19285168, 20662680, 24106460, 28927752, 36159690, 41325360, 48212920, 57855504, 72319380, 96425840, 144638760, 289277520]

約数ペア:

[(1, 289277520), (2, 144638760), (3, 96425840), (4, 72319380), (5, 57855504), (6, 48212920), (7, 41325360), (8, 36159690), (10, 28927752), (12, 24106460), (14, 20662680), (15, 19285168), (16, 18079845), (20, 14463876), (21, 13775120), (24, 12053230), (28, 10331340), (30, 9642584), (35, 8265072), (40, 7231938), (42, 6887560), (48, 6026615), (56, 5165670), (60, 4821292), (70, 4132536), (80, 3615969), (84, 3443780), (105, 2755024), (112, 2582835), (120, 2410646), (140, 2066268), (168, 1721890), (210, 1377512), (240, 1205323), (280, 1033134), (336, 860945), (409, 707280), (420, 688756), (421, 687120), (560, 516567), (818, 353640), (840, 344378), (842, 343560), (1227, 235760), (1263, 229040), (1636, 176820), (1680, 172189), (1684, 171780), (2045, 141456), (2105, 137424), (2454, 117880), (2526, 114520), (2863, 101040), (2947, 98160), (3272, 88410), (3368, 85890), (4090, 70728), (4210, 68712), (4908, 58940), (5052, 57260), (5726, 50520), (5894, 49080), (6135, 47152), (6315, 45808), (6544, 44205), (6736, 42945), (8180, 35364), (8420, 34356), (8589, 33680), (8841, 32720), (9816, 29470), (10104, 28630), (11452, 25260), (11788, 24540), (12270, 23576), (12630, 22904), (14315, 20208), (14735, 19632), (16360, 17682), (16840, 17178)]