2781870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1019}}^1$

素因数の和:1049

約数の個数: 64

約数和(自身を含む): 8225280

約数和(自身を除く): 5443410

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1019, 1365, 2038, 2730, 3057, 5095, 6114, 7133, 10190, 13247, 14266, 15285, 21399, 26494, 30570, 35665, 39741, 42798, 66235, 71330, 79482, 92729, 106995, 132470, 185458, 198705, 213990, 278187, 397410, 463645, 556374, 927290, 1390935, 2781870]

約数ペア:

[(1, 2781870), (2, 1390935), (3, 927290), (5, 556374), (6, 463645), (7, 397410), (10, 278187), (13, 213990), (14, 198705), (15, 185458), (21, 132470), (26, 106995), (30, 92729), (35, 79482), (39, 71330), (42, 66235), (65, 42798), (70, 39741), (78, 35665), (91, 30570), (105, 26494), (130, 21399), (182, 15285), (195, 14266), (210, 13247), (273, 10190), (390, 7133), (455, 6114), (546, 5095), (910, 3057), (1019, 2730), (1365, 2038)]