78773715

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1$

素因数の和:418

約数の個数: 80

約数和(自身を含む): 154202400

約数和(自身を除く): 75428685

約数列:

[1, 3, 5, 9, 15, 19, 27, 29, 45, 57, 81, 87, 95, 135, 145, 171, 261, 285, 353, 405, 435, 513, 551, 783, 855, 1059, 1305, 1539, 1653, 1765, 2349, 2565, 2755, 3177, 3915, 4959, 5295, 6707, 7695, 8265, 9531, 10237, 11745, 14877, 15885, 20121, 24795, 28593, 30711, 33535, 44631, 47655, 51185, 60363, 74385, 92133, 100605, 142965, 153555, 181089, 194503, 223155, 276399, 301815, 460665, 543267, 583509, 829197, 905445, 972515, 1381995, 1750527, 2716335, 2917545, 4145985, 5251581, 8752635, 15754743, 26257905, 78773715]

約数ペア:

[(1, 78773715), (3, 26257905), (5, 15754743), (9, 8752635), (15, 5251581), (19, 4145985), (27, 2917545), (29, 2716335), (45, 1750527), (57, 1381995), (81, 972515), (87, 905445), (95, 829197), (135, 583509), (145, 543267), (171, 460665), (261, 301815), (285, 276399), (353, 223155), (405, 194503), (435, 181089), (513, 153555), (551, 142965), (783, 100605), (855, 92133), (1059, 74385), (1305, 60363), (1539, 51185), (1653, 47655), (1765, 44631), (2349, 33535), (2565, 30711), (2755, 28593), (3177, 24795), (3915, 20121), (4959, 15885), (5295, 14877), (6707, 11745), (7695, 10237), (8265, 9531)]