8407980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{6673}}^1$

素因数の和:6695

約数の個数: 72

約数和(自身を含む): 29152032

約数和(自身を除く): 20744052

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 6673, 13346, 20019, 26692, 33365, 40038, 46711, 60057, 66730, 80076, 93422, 100095, 120114, 133460, 140133, 186844, 200190, 233555, 240228, 280266, 300285, 400380, 420399, 467110, 560532, 600570, 700665, 840798, 934220, 1201140, 1401330, 1681596, 2101995, 2802660, 4203990, 8407980]

約数ペア:

[(1, 8407980), (2, 4203990), (3, 2802660), (4, 2101995), (5, 1681596), (6, 1401330), (7, 1201140), (9, 934220), (10, 840798), (12, 700665), (14, 600570), (15, 560532), (18, 467110), (20, 420399), (21, 400380), (28, 300285), (30, 280266), (35, 240228), (36, 233555), (42, 200190), (45, 186844), (60, 140133), (63, 133460), (70, 120114), (84, 100095), (90, 93422), (105, 80076), (126, 66730), (140, 60057), (180, 46711), (210, 40038), (252, 33365), (315, 26692), (420, 20019), (630, 13346), (1260, 6673)]