68520270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1321}}^1$

素因数の和:1370

約数の個数: 128

約数和(自身を含む): 213212160

約数和(自身を除く): 144691890

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 19, 21, 26, 30, 35, 38, 39, 42, 57, 65, 70, 78, 91, 95, 105, 114, 130, 133, 182, 190, 195, 210, 247, 266, 273, 285, 390, 399, 455, 494, 546, 570, 665, 741, 798, 910, 1235, 1321, 1330, 1365, 1482, 1729, 1995, 2470, 2642, 2730, 3458, 3705, 3963, 3990, 5187, 6605, 7410, 7926, 8645, 9247, 10374, 13210, 17173, 17290, 18494, 19815, 25099, 25935, 27741, 34346, 39630, 46235, 50198, 51519, 51870, 55482, 75297, 85865, 92470, 103038, 120211, 125495, 138705, 150594, 171730, 175693, 240422, 250990, 257595, 277410, 326287, 351386, 360633, 376485, 515190, 527079, 601055, 652574, 721266, 752970, 878465, 978861, 1054158, 1202110, 1631435, 1756930, 1803165, 1957722, 2284009, 2635395, 3262870, 3606330, 4568018, 4894305, 5270790, 6852027, 9788610, 11420045, 13704054, 22840090, 34260135, 68520270]

約数ペア:

[(1, 68520270), (2, 34260135), (3, 22840090), (5, 13704054), (6, 11420045), (7, 9788610), (10, 6852027), (13, 5270790), (14, 4894305), (15, 4568018), (19, 3606330), (21, 3262870), (26, 2635395), (30, 2284009), (35, 1957722), (38, 1803165), (39, 1756930), (42, 1631435), (57, 1202110), (65, 1054158), (70, 978861), (78, 878465), (91, 752970), (95, 721266), (105, 652574), (114, 601055), (130, 527079), (133, 515190), (182, 376485), (190, 360633), (195, 351386), (210, 326287), (247, 277410), (266, 257595), (273, 250990), (285, 240422), (390, 175693), (399, 171730), (455, 150594), (494, 138705), (546, 125495), (570, 120211), (665, 103038), (741, 92470), (798, 85865), (910, 75297), (1235, 55482), (1321, 51870), (1330, 51519), (1365, 50198), (1482, 46235), (1729, 39630), (1995, 34346), (2470, 27741), (2642, 25935), (2730, 25099), (3458, 19815), (3705, 18494), (3963, 17290), (3990, 17173), (5187, 13210), (6605, 10374), (7410, 9247), (7926, 8645)]