8338980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10691}}^1$

素因数の和:10716

約数の個数: 48

約数和(自身を含む): 25147584

約数和(自身を除く): 16808604

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, 10691, 21382, 32073, 42764, 53455, 64146, 106910, 128292, 138983, 160365, 213820, 277966, 320730, 416949, 555932, 641460, 694915, 833898, 1389830, 1667796, 2084745, 2779660, 4169490, 8338980]

約数ペア:

[(1, 8338980), (2, 4169490), (3, 2779660), (4, 2084745), (5, 1667796), (6, 1389830), (10, 833898), (12, 694915), (13, 641460), (15, 555932), (20, 416949), (26, 320730), (30, 277966), (39, 213820), (52, 160365), (60, 138983), (65, 128292), (78, 106910), (130, 64146), (156, 53455), (195, 42764), (260, 32073), (390, 21382), (780, 10691)]