28715662920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1799227}}^1$

素因数の和:1799267

約数の個数: 128

約数和(自身を含む): 103635532800

約数和(自身を除く): 74919869880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5320, 7980, 15960, 1799227, 3598454, 5397681, 7196908, 8996135, 10795362, 12594589, 14393816, 17992270, 21590724, 25189178, 26988405, 34185313, 35984540, 37783767, 43181448, 50378356, 53976810, 62972945, 68370626, 71969080, 75567534, 100756712, 102555939, 107953620, 125945890, 136741252, 151135068, 170926565, 188918835, 205111878, 215907240, 239297191, 251891780, 273482504, 302270136, 341853130, 377837670, 410223756, 478594382, 503783560, 512779695, 683706260, 717891573, 755675340, 820447512, 957188764, 1025559390, 1196485955, 1367412520, 1435783146, 1511350680, 1914377528, 2051118780, 2392971910, 2871566292, 3589457865, 4102237560, 4785943820, 5743132584, 7178915730, 9571887640, 14357831460, 28715662920]

約数ペア:

[(1, 28715662920), (2, 14357831460), (3, 9571887640), (4, 7178915730), (5, 5743132584), (6, 4785943820), (7, 4102237560), (8, 3589457865), (10, 2871566292), (12, 2392971910), (14, 2051118780), (15, 1914377528), (19, 1511350680), (20, 1435783146), (21, 1367412520), (24, 1196485955), (28, 1025559390), (30, 957188764), (35, 820447512), (38, 755675340), (40, 717891573), (42, 683706260), (56, 512779695), (57, 503783560), (60, 478594382), (70, 410223756), (76, 377837670), (84, 341853130), (95, 302270136), (105, 273482504), (114, 251891780), (120, 239297191), (133, 215907240), (140, 205111878), (152, 188918835), (168, 170926565), (190, 151135068), (210, 136741252), (228, 125945890), (266, 107953620), (280, 102555939), (285, 100756712), (380, 75567534), (399, 71969080), (420, 68370626), (456, 62972945), (532, 53976810), (570, 50378356), (665, 43181448), (760, 37783767), (798, 35984540), (840, 34185313), (1064, 26988405), (1140, 25189178), (1330, 21590724), (1596, 17992270), (1995, 14393816), (2280, 12594589), (2660, 10795362), (3192, 8996135), (3990, 7196908), (5320, 5397681), (7980, 3598454), (15960, 1799227)]