21620520

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{6673}}^1$

素因数の和:6696

約数の個数: 80

約数和(自身を含む): 72679860

約数和(自身を除く): 51059340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 6673, 13346, 20019, 26692, 33365, 40038, 53384, 60057, 66730, 80076, 100095, 120114, 133460, 160152, 180171, 200190, 240228, 266920, 300285, 360342, 400380, 480456, 540513, 600570, 720684, 800760, 900855, 1081026, 1201140, 1441368, 1801710, 2162052, 2402280, 2702565, 3603420, 4324104, 5405130, 7206840, 10810260, 21620520]

約数ペア:

[(1, 21620520), (2, 10810260), (3, 7206840), (4, 5405130), (5, 4324104), (6, 3603420), (8, 2702565), (9, 2402280), (10, 2162052), (12, 1801710), (15, 1441368), (18, 1201140), (20, 1081026), (24, 900855), (27, 800760), (30, 720684), (36, 600570), (40, 540513), (45, 480456), (54, 400380), (60, 360342), (72, 300285), (81, 266920), (90, 240228), (108, 200190), (120, 180171), (135, 160152), (162, 133460), (180, 120114), (216, 100095), (270, 80076), (324, 66730), (360, 60057), (405, 53384), (540, 40038), (648, 33365), (810, 26692), (1080, 20019), (1620, 13346), (3240, 6673)]