321808130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:424

約数の個数: 128

約数和(自身を含む): 757278720

約数和(自身を除く): 435470590

約数列:

[1, 2, 5, 7, 10, 14, 17, 19, 34, 35, 38, 43, 70, 85, 86, 95, 119, 133, 170, 190, 215, 238, 266, 301, 323, 331, 430, 595, 602, 646, 662, 665, 731, 817, 1190, 1330, 1462, 1505, 1615, 1634, 1655, 2261, 2317, 3010, 3230, 3310, 3655, 4085, 4522, 4634, 5117, 5627, 5719, 6289, 7310, 8170, 10234, 11254, 11305, 11438, 11585, 12578, 13889, 14233, 22610, 23170, 25585, 27778, 28135, 28466, 28595, 31445, 39389, 44023, 51170, 56270, 57190, 62890, 69445, 71165, 78778, 88046, 97223, 99631, 106913, 138890, 142330, 194446, 196945, 199262, 213826, 220115, 241961, 270427, 393890, 440230, 483922, 486115, 498155, 534565, 540854, 748391, 972230, 996310, 1069130, 1209805, 1352135, 1496782, 1693727, 1892989, 2419610, 2704270, 3387454, 3741955, 3785978, 4597259, 7483910, 8468635, 9194518, 9464945, 16937270, 18929890, 22986295, 32180813, 45972590, 64361626, 160904065, 321808130]

約数ペア:

[(1, 321808130), (2, 160904065), (5, 64361626), (7, 45972590), (10, 32180813), (14, 22986295), (17, 18929890), (19, 16937270), (34, 9464945), (35, 9194518), (38, 8468635), (43, 7483910), (70, 4597259), (85, 3785978), (86, 3741955), (95, 3387454), (119, 2704270), (133, 2419610), (170, 1892989), (190, 1693727), (215, 1496782), (238, 1352135), (266, 1209805), (301, 1069130), (323, 996310), (331, 972230), (430, 748391), (595, 540854), (602, 534565), (646, 498155), (662, 486115), (665, 483922), (731, 440230), (817, 393890), (1190, 270427), (1330, 241961), (1462, 220115), (1505, 213826), (1615, 199262), (1634, 196945), (1655, 194446), (2261, 142330), (2317, 138890), (3010, 106913), (3230, 99631), (3310, 97223), (3655, 88046), (4085, 78778), (4522, 71165), (4634, 69445), (5117, 62890), (5627, 57190), (5719, 56270), (6289, 51170), (7310, 44023), (8170, 39389), (10234, 31445), (11254, 28595), (11305, 28466), (11438, 28135), (11585, 27778), (12578, 25585), (13889, 23170), (14233, 22610)]