2161040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1$

素因数の和:264

約数の個数: 80

約数和(自身を含む): 6106752

約数和(自身を除く): 3945712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 227, 238, 272, 280, 340, 454, 476, 560, 595, 680, 908, 952, 1135, 1190, 1360, 1589, 1816, 1904, 2270, 2380, 3178, 3632, 3859, 4540, 4760, 6356, 7718, 7945, 9080, 9520, 12712, 15436, 15890, 18160, 19295, 25424, 27013, 30872, 31780, 38590, 54026, 61744, 63560, 77180, 108052, 127120, 135065, 154360, 216104, 270130, 308720, 432208, 540260, 1080520, 2161040]

約数ペア:

[(1, 2161040), (2, 1080520), (4, 540260), (5, 432208), (7, 308720), (8, 270130), (10, 216104), (14, 154360), (16, 135065), (17, 127120), (20, 108052), (28, 77180), (34, 63560), (35, 61744), (40, 54026), (56, 38590), (68, 31780), (70, 30872), (80, 27013), (85, 25424), (112, 19295), (119, 18160), (136, 15890), (140, 15436), (170, 12712), (227, 9520), (238, 9080), (272, 7945), (280, 7718), (340, 6356), (454, 4760), (476, 4540), (560, 3859), (595, 3632), (680, 3178), (908, 2380), (952, 2270), (1135, 1904), (1190, 1816), (1360, 1589)]