278004870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21601}}^1$

素因数の和:21638

約数の個数: 96

約数和(自身を含む): 849217824

約数和(自身を除く): 571212954

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 26, 30, 33, 39, 45, 55, 65, 66, 78, 90, 99, 110, 117, 130, 143, 165, 195, 198, 234, 286, 330, 390, 429, 495, 585, 715, 858, 990, 1170, 1287, 1430, 2145, 2574, 4290, 6435, 12870, 21601, 43202, 64803, 108005, 129606, 194409, 216010, 237611, 280813, 324015, 388818, 475222, 561626, 648030, 712833, 842439, 972045, 1188055, 1404065, 1425666, 1684878, 1944090, 2138499, 2376110, 2527317, 2808130, 3088943, 3564165, 4212195, 4276998, 5054634, 6177886, 7128330, 8424390, 9266829, 10692495, 12636585, 15444715, 18533658, 21384990, 25273170, 27800487, 30889430, 46334145, 55600974, 92668290, 139002435, 278004870]

約数ペア:

[(1, 278004870), (2, 139002435), (3, 92668290), (5, 55600974), (6, 46334145), (9, 30889430), (10, 27800487), (11, 25273170), (13, 21384990), (15, 18533658), (18, 15444715), (22, 12636585), (26, 10692495), (30, 9266829), (33, 8424390), (39, 7128330), (45, 6177886), (55, 5054634), (65, 4276998), (66, 4212195), (78, 3564165), (90, 3088943), (99, 2808130), (110, 2527317), (117, 2376110), (130, 2138499), (143, 1944090), (165, 1684878), (195, 1425666), (198, 1404065), (234, 1188055), (286, 972045), (330, 842439), (390, 712833), (429, 648030), (495, 561626), (585, 475222), (715, 388818), (858, 324015), (990, 280813), (1170, 237611), (1287, 216010), (1430, 194409), (2145, 129606), (2574, 108005), (4290, 64803), (6435, 43202), (12870, 21601)]