205827120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{285871}}^1$

素因数の和:285890

約数の個数: 60

約数和(自身を含む): 691238496

約数和(自身を除く): 485411376

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 285871, 571742, 857613, 1143484, 1429355, 1715226, 2286968, 2572839, 2858710, 3430452, 4288065, 4573936, 5145678, 5717420, 6860904, 8576130, 10291356, 11434840, 12864195, 13721808, 17152260, 20582712, 22869680, 25728390, 34304520, 41165424, 51456780, 68609040, 102913560, 205827120]

約数ペア:

[(1, 205827120), (2, 102913560), (3, 68609040), (4, 51456780), (5, 41165424), (6, 34304520), (8, 25728390), (9, 22869680), (10, 20582712), (12, 17152260), (15, 13721808), (16, 12864195), (18, 11434840), (20, 10291356), (24, 8576130), (30, 6860904), (36, 5717420), (40, 5145678), (45, 4573936), (48, 4288065), (60, 3430452), (72, 2858710), (80, 2572839), (90, 2286968), (120, 1715226), (144, 1429355), (180, 1143484), (240, 857613), (360, 571742), (720, 285871)]