28949400

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{1787}}^1$

素因数の和:1815

約数の個数: 120

約数和(自身を含む): 100601820

約数和(自身を除く): 71652420

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 81, 90, 100, 108, 120, 135, 150, 162, 180, 200, 216, 225, 270, 300, 324, 360, 405, 450, 540, 600, 648, 675, 810, 900, 1080, 1350, 1620, 1787, 1800, 2025, 2700, 3240, 3574, 4050, 5361, 5400, 7148, 8100, 8935, 10722, 14296, 16083, 16200, 17870, 21444, 26805, 32166, 35740, 42888, 44675, 48249, 53610, 64332, 71480, 80415, 89350, 96498, 107220, 128664, 134025, 144747, 160830, 178700, 192996, 214440, 241245, 268050, 289494, 321660, 357400, 385992, 402075, 482490, 536100, 578988, 643320, 723735, 804150, 964980, 1072200, 1157976, 1206225, 1447470, 1608300, 1929960, 2412450, 2894940, 3216600, 3618675, 4824900, 5789880, 7237350, 9649800, 14474700, 28949400]

約数ペア:

[(1, 28949400), (2, 14474700), (3, 9649800), (4, 7237350), (5, 5789880), (6, 4824900), (8, 3618675), (9, 3216600), (10, 2894940), (12, 2412450), (15, 1929960), (18, 1608300), (20, 1447470), (24, 1206225), (25, 1157976), (27, 1072200), (30, 964980), (36, 804150), (40, 723735), (45, 643320), (50, 578988), (54, 536100), (60, 482490), (72, 402075), (75, 385992), (81, 357400), (90, 321660), (100, 289494), (108, 268050), (120, 241245), (135, 214440), (150, 192996), (162, 178700), (180, 160830), (200, 144747), (216, 134025), (225, 128664), (270, 107220), (300, 96498), (324, 89350), (360, 80415), (405, 71480), (450, 64332), (540, 53610), (600, 48249), (648, 44675), (675, 42888), (810, 35740), (900, 32166), (1080, 26805), (1350, 21444), (1620, 17870), (1787, 16200), (1800, 16083), (2025, 14296), (2700, 10722), (3240, 8935), (3574, 8100), (4050, 7148), (5361, 5400)]