320426925

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1$

素因数の和:412

約数の個数: 144

約数和(自身を含む): 700580160

約数和(自身を除く): 380153235

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 25, 35, 39, 49, 57, 65, 75, 91, 95, 105, 133, 147, 175, 195, 245, 247, 273, 285, 325, 353, 399, 455, 475, 525, 637, 665, 735, 741, 931, 975, 1059, 1225, 1235, 1365, 1425, 1729, 1765, 1911, 1995, 2275, 2471, 2793, 3185, 3325, 3675, 3705, 4589, 4655, 5187, 5295, 6175, 6707, 6825, 7413, 8645, 8825, 9555, 9975, 12103, 12355, 13767, 13965, 15925, 17297, 18525, 20121, 22945, 23275, 25935, 26475, 32123, 33535, 36309, 37065, 43225, 46949, 47775, 51891, 60515, 61775, 68835, 69825, 86485, 87191, 96369, 100605, 114725, 129675, 140847, 160615, 167675, 181545, 185325, 224861, 234745, 259455, 261573, 302575, 328643, 344175, 432425, 435955, 481845, 503025, 610337, 674583, 704235, 803075, 907725, 985929, 1124305, 1173725, 1297275, 1307865, 1643215, 1831011, 2179775, 2409225, 3051685, 3372915, 3521175, 4272359, 4929645, 5621525, 6539325, 8216075, 9155055, 12817077, 15258425, 16864575, 21361795, 24648225, 45775275, 64085385, 106808975, 320426925]

約数ペア:

[(1, 320426925), (3, 106808975), (5, 64085385), (7, 45775275), (13, 24648225), (15, 21361795), (19, 16864575), (21, 15258425), (25, 12817077), (35, 9155055), (39, 8216075), (49, 6539325), (57, 5621525), (65, 4929645), (75, 4272359), (91, 3521175), (95, 3372915), (105, 3051685), (133, 2409225), (147, 2179775), (175, 1831011), (195, 1643215), (245, 1307865), (247, 1297275), (273, 1173725), (285, 1124305), (325, 985929), (353, 907725), (399, 803075), (455, 704235), (475, 674583), (525, 610337), (637, 503025), (665, 481845), (735, 435955), (741, 432425), (931, 344175), (975, 328643), (1059, 302575), (1225, 261573), (1235, 259455), (1365, 234745), (1425, 224861), (1729, 185325), (1765, 181545), (1911, 167675), (1995, 160615), (2275, 140847), (2471, 129675), (2793, 114725), (3185, 100605), (3325, 96369), (3675, 87191), (3705, 86485), (4589, 69825), (4655, 68835), (5187, 61775), (5295, 60515), (6175, 51891), (6707, 47775), (6825, 46949), (7413, 43225), (8645, 37065), (8825, 36309), (9555, 33535), (9975, 32123), (12103, 26475), (12355, 25935), (13767, 23275), (13965, 22945), (15925, 20121), (17297, 18525)]