128791200

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{521}}^1$

素因数の和:647

約数の個数: 144

約数和(自身を含む): 424097856

約数和(自身を除く): 295306656

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, 150, 160, 200, 206, 240, 300, 309, 400, 412, 480, 515, 521, 600, 618, 800, 824, 1030, 1042, 1200, 1236, 1545, 1563, 1648, 2060, 2084, 2400, 2472, 2575, 2605, 3090, 3126, 3296, 4120, 4168, 4944, 5150, 5210, 6180, 6252, 7725, 7815, 8240, 8336, 9888, 10300, 10420, 12360, 12504, 13025, 15450, 15630, 16480, 16672, 20600, 20840, 24720, 25008, 26050, 30900, 31260, 39075, 41200, 41680, 49440, 50016, 52100, 53663, 61800, 62520, 78150, 82400, 83360, 104200, 107326, 123600, 125040, 156300, 160989, 208400, 214652, 247200, 250080, 268315, 312600, 321978, 416800, 429304, 536630, 625200, 643956, 804945, 858608, 1073260, 1250400, 1287912, 1341575, 1609890, 1717216, 2146520, 2575824, 2683150, 3219780, 4024725, 4293040, 5151648, 5366300, 6439560, 8049450, 8586080, 10732600, 12879120, 16098900, 21465200, 25758240, 32197800, 42930400, 64395600, 128791200]

約数ペア:

[(1, 128791200), (2, 64395600), (3, 42930400), (4, 32197800), (5, 25758240), (6, 21465200), (8, 16098900), (10, 12879120), (12, 10732600), (15, 8586080), (16, 8049450), (20, 6439560), (24, 5366300), (25, 5151648), (30, 4293040), (32, 4024725), (40, 3219780), (48, 2683150), (50, 2575824), (60, 2146520), (75, 1717216), (80, 1609890), (96, 1341575), (100, 1287912), (103, 1250400), (120, 1073260), (150, 858608), (160, 804945), (200, 643956), (206, 625200), (240, 536630), (300, 429304), (309, 416800), (400, 321978), (412, 312600), (480, 268315), (515, 250080), (521, 247200), (600, 214652), (618, 208400), (800, 160989), (824, 156300), (1030, 125040), (1042, 123600), (1200, 107326), (1236, 104200), (1545, 83360), (1563, 82400), (1648, 78150), (2060, 62520), (2084, 61800), (2400, 53663), (2472, 52100), (2575, 50016), (2605, 49440), (3090, 41680), (3126, 41200), (3296, 39075), (4120, 31260), (4168, 30900), (4944, 26050), (5150, 25008), (5210, 24720), (6180, 20840), (6252, 20600), (7725, 16672), (7815, 16480), (8240, 15630), (8336, 15450), (9888, 13025), (10300, 12504), (10420, 12360)]