204438240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{141971}}^1$

素因数の和:141992

約数の個数: 72

約数和(自身を含む): 697650408

約数和(自身を除く): 493212168

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 141971, 283942, 425913, 567884, 709855, 851826, 1135768, 1277739, 1419710, 1703652, 2129565, 2271536, 2555478, 2839420, 3407304, 4259130, 4543072, 5110956, 5678840, 6388695, 6814608, 8518260, 10221912, 11357680, 12777390, 13629216, 17036520, 20443824, 22715360, 25554780, 34073040, 40887648, 51109560, 68146080, 102219120, 204438240]

約数ペア:

[(1, 204438240), (2, 102219120), (3, 68146080), (4, 51109560), (5, 40887648), (6, 34073040), (8, 25554780), (9, 22715360), (10, 20443824), (12, 17036520), (15, 13629216), (16, 12777390), (18, 11357680), (20, 10221912), (24, 8518260), (30, 6814608), (32, 6388695), (36, 5678840), (40, 5110956), (45, 4543072), (48, 4259130), (60, 3407304), (72, 2839420), (80, 2555478), (90, 2271536), (96, 2129565), (120, 1703652), (144, 1419710), (160, 1277739), (180, 1135768), (240, 851826), (288, 709855), (360, 567884), (480, 425913), (720, 283942), (1440, 141971)]