30687200

素因数分解:

$2^5\times 5^2\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:540

約数の個数: 72

約数和(自身を含む): 75932640

約数和(自身を除く): 45245440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 89, 100, 160, 178, 200, 356, 400, 431, 445, 712, 800, 862, 890, 1424, 1724, 1780, 2155, 2225, 2848, 3448, 3560, 4310, 4450, 6896, 7120, 8620, 8900, 10775, 13792, 14240, 17240, 17800, 21550, 34480, 35600, 38359, 43100, 68960, 71200, 76718, 86200, 153436, 172400, 191795, 306872, 344800, 383590, 613744, 767180, 958975, 1227488, 1534360, 1917950, 3068720, 3835900, 6137440, 7671800, 15343600, 30687200]

約数ペア:

[(1, 30687200), (2, 15343600), (4, 7671800), (5, 6137440), (8, 3835900), (10, 3068720), (16, 1917950), (20, 1534360), (25, 1227488), (32, 958975), (40, 767180), (50, 613744), (80, 383590), (89, 344800), (100, 306872), (160, 191795), (178, 172400), (200, 153436), (356, 86200), (400, 76718), (431, 71200), (445, 68960), (712, 43100), (800, 38359), (862, 35600), (890, 34480), (1424, 21550), (1724, 17800), (1780, 17240), (2155, 14240), (2225, 13792), (2848, 10775), (3448, 8900), (3560, 8620), (4310, 7120), (4450, 6896)]