12815025

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:95

約数の個数: 72

約数和(自身を含む): 24685920

約数和(自身を除く): 11870895

約数列:

[1, 3, 5, 15, 17, 19, 23, 25, 51, 57, 69, 75, 85, 95, 115, 255, 285, 323, 345, 391, 425, 437, 475, 529, 575, 969, 1173, 1275, 1311, 1425, 1587, 1615, 1725, 1955, 2185, 2645, 4845, 5865, 6555, 7429, 7935, 8075, 8993, 9775, 10051, 10925, 13225, 22287, 24225, 26979, 29325, 30153, 32775, 37145, 39675, 44965, 50255, 111435, 134895, 150765, 170867, 185725, 224825, 251275, 512601, 557175, 674475, 753825, 854335, 2563005, 4271675, 12815025]

約数ペア:

[(1, 12815025), (3, 4271675), (5, 2563005), (15, 854335), (17, 753825), (19, 674475), (23, 557175), (25, 512601), (51, 251275), (57, 224825), (69, 185725), (75, 170867), (85, 150765), (95, 134895), (115, 111435), (255, 50255), (285, 44965), (323, 39675), (345, 37145), (391, 32775), (425, 30153), (437, 29325), (475, 26979), (529, 24225), (575, 22287), (969, 13225), (1173, 10925), (1275, 10051), (1311, 9775), (1425, 8993), (1587, 8075), (1615, 7935), (1725, 7429), (1955, 6555), (2185, 5865), (2645, 4845)]