161532840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1867}}^1$

素因数の和:1991

約数の個数: 128

約数和(自身を含む): 559503360

約数和(自身を除く): 397970520

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, 103, 105, 120, 140, 168, 206, 210, 280, 309, 412, 420, 515, 618, 721, 824, 840, 1030, 1236, 1442, 1545, 1867, 2060, 2163, 2472, 2884, 3090, 3605, 3734, 4120, 4326, 5601, 5768, 6180, 7210, 7468, 8652, 9335, 10815, 11202, 12360, 13069, 14420, 14936, 17304, 18670, 21630, 22404, 26138, 28005, 28840, 37340, 39207, 43260, 44808, 52276, 56010, 65345, 74680, 78414, 86520, 104552, 112020, 130690, 156828, 192301, 196035, 224040, 261380, 313656, 384602, 392070, 522760, 576903, 769204, 784140, 961505, 1153806, 1346107, 1538408, 1568280, 1923010, 2307612, 2692214, 2884515, 3846020, 4038321, 4615224, 5384428, 5769030, 6730535, 7692040, 8076642, 10768856, 11538060, 13461070, 16153284, 20191605, 23076120, 26922140, 32306568, 40383210, 53844280, 80766420, 161532840]

約数ペア:

[(1, 161532840), (2, 80766420), (3, 53844280), (4, 40383210), (5, 32306568), (6, 26922140), (7, 23076120), (8, 20191605), (10, 16153284), (12, 13461070), (14, 11538060), (15, 10768856), (20, 8076642), (21, 7692040), (24, 6730535), (28, 5769030), (30, 5384428), (35, 4615224), (40, 4038321), (42, 3846020), (56, 2884515), (60, 2692214), (70, 2307612), (84, 1923010), (103, 1568280), (105, 1538408), (120, 1346107), (140, 1153806), (168, 961505), (206, 784140), (210, 769204), (280, 576903), (309, 522760), (412, 392070), (420, 384602), (515, 313656), (618, 261380), (721, 224040), (824, 196035), (840, 192301), (1030, 156828), (1236, 130690), (1442, 112020), (1545, 104552), (1867, 86520), (2060, 78414), (2163, 74680), (2472, 65345), (2884, 56010), (3090, 52276), (3605, 44808), (3734, 43260), (4120, 39207), (4326, 37340), (5601, 28840), (5768, 28005), (6180, 26138), (7210, 22404), (7468, 21630), (8652, 18670), (9335, 17304), (10815, 14936), (11202, 14420), (12360, 13069)]