31335080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:291

約数の個数: 128

約数和(自身を含む): 88646400

約数和(自身を除く): 57311320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 29, 34, 35, 40, 56, 58, 68, 70, 85, 116, 119, 136, 140, 145, 170, 203, 227, 232, 238, 280, 290, 340, 406, 454, 476, 493, 580, 595, 680, 812, 908, 952, 986, 1015, 1135, 1160, 1190, 1589, 1624, 1816, 1972, 2030, 2270, 2380, 2465, 3178, 3451, 3859, 3944, 4060, 4540, 4760, 4930, 6356, 6583, 6902, 7718, 7945, 8120, 9080, 9860, 12712, 13166, 13804, 15436, 15890, 17255, 19295, 19720, 26332, 27013, 27608, 30872, 31780, 32915, 34510, 38590, 46081, 52664, 54026, 63560, 65830, 69020, 77180, 92162, 108052, 111911, 131660, 135065, 138040, 154360, 184324, 216104, 223822, 230405, 263320, 270130, 368648, 447644, 460810, 540260, 559555, 783377, 895288, 921620, 1080520, 1119110, 1566754, 1843240, 2238220, 3133508, 3916885, 4476440, 6267016, 7833770, 15667540, 31335080]

約数ペア:

[(1, 31335080), (2, 15667540), (4, 7833770), (5, 6267016), (7, 4476440), (8, 3916885), (10, 3133508), (14, 2238220), (17, 1843240), (20, 1566754), (28, 1119110), (29, 1080520), (34, 921620), (35, 895288), (40, 783377), (56, 559555), (58, 540260), (68, 460810), (70, 447644), (85, 368648), (116, 270130), (119, 263320), (136, 230405), (140, 223822), (145, 216104), (170, 184324), (203, 154360), (227, 138040), (232, 135065), (238, 131660), (280, 111911), (290, 108052), (340, 92162), (406, 77180), (454, 69020), (476, 65830), (493, 63560), (580, 54026), (595, 52664), (680, 46081), (812, 38590), (908, 34510), (952, 32915), (986, 31780), (1015, 30872), (1135, 27608), (1160, 27013), (1190, 26332), (1589, 19720), (1624, 19295), (1816, 17255), (1972, 15890), (2030, 15436), (2270, 13804), (2380, 13166), (2465, 12712), (3178, 9860), (3451, 9080), (3859, 8120), (3944, 7945), (4060, 7718), (4540, 6902), (4760, 6583), (4930, 6356)]