2005560

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{619}}^1$

素因数の和:642

約数の個数: 80

約数和(自身を含む): 6751800

約数和(自身を除く): 4746240

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, 619, 648, 810, 1080, 1238, 1620, 1857, 2476, 3095, 3240, 3714, 4952, 5571, 6190, 7428, 9285, 11142, 12380, 14856, 16713, 18570, 22284, 24760, 27855, 33426, 37140, 44568, 50139, 55710, 66852, 74280, 83565, 100278, 111420, 133704, 167130, 200556, 222840, 250695, 334260, 401112, 501390, 668520, 1002780, 2005560]

約数ペア:

[(1, 2005560), (2, 1002780), (3, 668520), (4, 501390), (5, 401112), (6, 334260), (8, 250695), (9, 222840), (10, 200556), (12, 167130), (15, 133704), (18, 111420), (20, 100278), (24, 83565), (27, 74280), (30, 66852), (36, 55710), (40, 50139), (45, 44568), (54, 37140), (60, 33426), (72, 27855), (81, 24760), (90, 22284), (108, 18570), (120, 16713), (135, 14856), (162, 12380), (180, 11142), (216, 9285), (270, 7428), (324, 6190), (360, 5571), (405, 4952), (540, 3714), (619, 3240), (648, 3095), (810, 2476), (1080, 1857), (1238, 1620)]