12961800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:420

約数の個数: 144

約数和(自身を含む): 45942000

約数和(自身を除く): 32980200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 25, 30, 36, 38, 40, 45, 50, 57, 60, 72, 75, 76, 90, 95, 100, 114, 120, 150, 152, 171, 180, 190, 200, 225, 228, 285, 300, 342, 360, 379, 380, 450, 456, 475, 570, 600, 684, 758, 760, 855, 900, 950, 1137, 1140, 1368, 1425, 1516, 1710, 1800, 1895, 1900, 2274, 2280, 2850, 3032, 3411, 3420, 3790, 3800, 4275, 4548, 5685, 5700, 6822, 6840, 7201, 7580, 8550, 9096, 9475, 11370, 11400, 13644, 14402, 15160, 17055, 17100, 18950, 21603, 22740, 27288, 28425, 28804, 34110, 34200, 36005, 37900, 43206, 45480, 56850, 57608, 64809, 68220, 72010, 75800, 85275, 86412, 108015, 113700, 129618, 136440, 144020, 170550, 172824, 180025, 216030, 227400, 259236, 288040, 324045, 341100, 360050, 432060, 518472, 540075, 648090, 682200, 720100, 864120, 1080150, 1296180, 1440200, 1620225, 2160300, 2592360, 3240450, 4320600, 6480900, 12961800]

約数ペア:

[(1, 12961800), (2, 6480900), (3, 4320600), (4, 3240450), (5, 2592360), (6, 2160300), (8, 1620225), (9, 1440200), (10, 1296180), (12, 1080150), (15, 864120), (18, 720100), (19, 682200), (20, 648090), (24, 540075), (25, 518472), (30, 432060), (36, 360050), (38, 341100), (40, 324045), (45, 288040), (50, 259236), (57, 227400), (60, 216030), (72, 180025), (75, 172824), (76, 170550), (90, 144020), (95, 136440), (100, 129618), (114, 113700), (120, 108015), (150, 86412), (152, 85275), (171, 75800), (180, 72010), (190, 68220), (200, 64809), (225, 57608), (228, 56850), (285, 45480), (300, 43206), (342, 37900), (360, 36005), (379, 34200), (380, 34110), (450, 28804), (456, 28425), (475, 27288), (570, 22740), (600, 21603), (684, 18950), (758, 17100), (760, 17055), (855, 15160), (900, 14402), (950, 13644), (1137, 11400), (1140, 11370), (1368, 9475), (1425, 9096), (1516, 8550), (1710, 7580), (1800, 7201), (1895, 6840), (1900, 6822), (2274, 5700), (2280, 5685), (2850, 4548), (3032, 4275), (3411, 3800), (3420, 3790)]