7680015

素因数分解:

$3^6\times 5^1\times 7^2\times {\mathrm{43}}^1$

素因数の和:80

約数の個数: 84

約数和(自身を含む): 16447464

約数和(自身を除く): 8767449

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 43, 45, 49, 63, 81, 105, 129, 135, 147, 189, 215, 243, 245, 301, 315, 387, 405, 441, 567, 645, 729, 735, 903, 945, 1161, 1215, 1323, 1505, 1701, 1935, 2107, 2205, 2709, 2835, 3483, 3645, 3969, 4515, 5103, 5805, 6321, 6615, 8127, 8505, 10449, 10535, 11907, 13545, 17415, 18963, 19845, 24381, 25515, 31347, 31605, 35721, 40635, 52245, 56889, 59535, 73143, 94815, 121905, 156735, 170667, 178605, 219429, 284445, 365715, 512001, 853335, 1097145, 1536003, 2560005, 7680015]

約数ペア:

[(1, 7680015), (3, 2560005), (5, 1536003), (7, 1097145), (9, 853335), (15, 512001), (21, 365715), (27, 284445), (35, 219429), (43, 178605), (45, 170667), (49, 156735), (63, 121905), (81, 94815), (105, 73143), (129, 59535), (135, 56889), (147, 52245), (189, 40635), (215, 35721), (243, 31605), (245, 31347), (301, 25515), (315, 24381), (387, 19845), (405, 18963), (441, 17415), (567, 13545), (645, 11907), (729, 10535), (735, 10449), (903, 8505), (945, 8127), (1161, 6615), (1215, 6321), (1323, 5805), (1505, 5103), (1701, 4515), (1935, 3969), (2107, 3645), (2205, 3483), (2709, 2835)]