30900000

素因数分解:

$2^5\times 3^1\times 5^5\times {\mathrm{103}}^1$

素因数の和:141

約数の個数: 144

約数和(自身を含む): 102368448

約数和(自身を除く): 71468448

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 103, 120, 125, 150, 160, 200, 206, 240, 250, 300, 309, 375, 400, 412, 480, 500, 515, 600, 618, 625, 750, 800, 824, 1000, 1030, 1200, 1236, 1250, 1500, 1545, 1648, 1875, 2000, 2060, 2400, 2472, 2500, 2575, 3000, 3090, 3125, 3296, 3750, 4000, 4120, 4944, 5000, 5150, 6000, 6180, 6250, 7500, 7725, 8240, 9375, 9888, 10000, 10300, 12000, 12360, 12500, 12875, 15000, 15450, 16480, 18750, 20000, 20600, 24720, 25000, 25750, 30000, 30900, 37500, 38625, 41200, 49440, 50000, 51500, 60000, 61800, 64375, 75000, 77250, 82400, 100000, 103000, 123600, 128750, 150000, 154500, 193125, 206000, 247200, 257500, 300000, 309000, 321875, 386250, 412000, 515000, 618000, 643750, 772500, 965625, 1030000, 1236000, 1287500, 1545000, 1931250, 2060000, 2575000, 3090000, 3862500, 5150000, 6180000, 7725000, 10300000, 15450000, 30900000]

約数ペア:

[(1, 30900000), (2, 15450000), (3, 10300000), (4, 7725000), (5, 6180000), (6, 5150000), (8, 3862500), (10, 3090000), (12, 2575000), (15, 2060000), (16, 1931250), (20, 1545000), (24, 1287500), (25, 1236000), (30, 1030000), (32, 965625), (40, 772500), (48, 643750), (50, 618000), (60, 515000), (75, 412000), (80, 386250), (96, 321875), (100, 309000), (103, 300000), (120, 257500), (125, 247200), (150, 206000), (160, 193125), (200, 154500), (206, 150000), (240, 128750), (250, 123600), (300, 103000), (309, 100000), (375, 82400), (400, 77250), (412, 75000), (480, 64375), (500, 61800), (515, 60000), (600, 51500), (618, 50000), (625, 49440), (750, 41200), (800, 38625), (824, 37500), (1000, 30900), (1030, 30000), (1200, 25750), (1236, 25000), (1250, 24720), (1500, 20600), (1545, 20000), (1648, 18750), (1875, 16480), (2000, 15450), (2060, 15000), (2400, 12875), (2472, 12500), (2500, 12360), (2575, 12000), (3000, 10300), (3090, 10000), (3125, 9888), (3296, 9375), (3750, 8240), (4000, 7725), (4120, 7500), (4944, 6250), (5000, 6180), (5150, 6000)]