7753980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9941}}^1$

素因数の和:9966

約数の個数: 48

約数和(自身を含む): 23383584

約数和(自身を除く): 15629604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 9941, 19882, 29823, 39764, 49705, 59646, 99410, 119292, 129233, 149115, 198820, 258466, 298230, 387699, 516932, 596460, 646165, 775398, 1292330, 1550796, 1938495, 2584660, 3876990, 7753980]

約数ペア:

[(1, 7753980), (2, 3876990), (3, 2584660), (4, 1938495), (5, 1550796), (6, 1292330), (10, 775398), (12, 646165), (13, 596460), (15, 516932), (20, 387699), (26, 298230), (30, 258466), (39, 198820), (52, 149115), (60, 129233), (65, 119292), (78, 99410), (130, 59646), (156, 49705), (195, 39764), (260, 29823), (390, 19882), (780, 9941)]