15570555

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:117

約数の個数: 128

約数和(自身を含む): 35997696

約数和(自身を除く): 20427141

約数列:

[1, 3, 5, 7, 11, 13, 15, 17, 21, 33, 35, 39, 51, 55, 61, 65, 77, 85, 91, 105, 119, 143, 165, 183, 187, 195, 221, 231, 255, 273, 305, 357, 385, 427, 429, 455, 561, 595, 663, 671, 715, 793, 915, 935, 1001, 1037, 1105, 1155, 1281, 1309, 1365, 1547, 1785, 2013, 2135, 2145, 2379, 2431, 2805, 3003, 3111, 3315, 3355, 3927, 3965, 4641, 4697, 5005, 5185, 5551, 6405, 6545, 7259, 7293, 7735, 8723, 10065, 11407, 11895, 12155, 13481, 14091, 15015, 15555, 16653, 17017, 19635, 21777, 23205, 23485, 26169, 27755, 34221, 36295, 36465, 40443, 43615, 51051, 57035, 61061, 67405, 70455, 79849, 83265, 85085, 94367, 108885, 130845, 148291, 171105, 183183, 202215, 239547, 255255, 283101, 305305, 399245, 444873, 471835, 741455, 915915, 1038037, 1197735, 1415505, 2224365, 3114111, 5190185, 15570555]

約数ペア:

[(1, 15570555), (3, 5190185), (5, 3114111), (7, 2224365), (11, 1415505), (13, 1197735), (15, 1038037), (17, 915915), (21, 741455), (33, 471835), (35, 444873), (39, 399245), (51, 305305), (55, 283101), (61, 255255), (65, 239547), (77, 202215), (85, 183183), (91, 171105), (105, 148291), (119, 130845), (143, 108885), (165, 94367), (183, 85085), (187, 83265), (195, 79849), (221, 70455), (231, 67405), (255, 61061), (273, 57035), (305, 51051), (357, 43615), (385, 40443), (427, 36465), (429, 36295), (455, 34221), (561, 27755), (595, 26169), (663, 23485), (671, 23205), (715, 21777), (793, 19635), (915, 17017), (935, 16653), (1001, 15555), (1037, 15015), (1105, 14091), (1155, 13481), (1281, 12155), (1309, 11895), (1365, 11407), (1547, 10065), (1785, 8723), (2013, 7735), (2135, 7293), (2145, 7259), (2379, 6545), (2431, 6405), (2805, 5551), (3003, 5185), (3111, 5005), (3315, 4697), (3355, 4641), (3927, 3965)]